diff --git a/benchmarks/pom.xml b/benchmarks/pom.xml
index f9d2f186..a54b64fb 100644
--- a/benchmarks/pom.xml
+++ b/benchmarks/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>client_java</artifactId>
-        <version>1.4.0-SNAPSHOT</version>
+        <version>1.3.1</version>
     </parent>
 
     <artifactId>benchmarks</artifactId>
diff --git a/examples/example-exemplars-tail-sampling/example-greeting-service/pom.xml b/examples/example-exemplars-tail-sampling/example-greeting-service/pom.xml
index 72ebcbed..63501898 100644
--- a/examples/example-exemplars-tail-sampling/example-greeting-service/pom.xml
+++ b/examples/example-exemplars-tail-sampling/example-greeting-service/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>example-exemplars-tail-sampling</artifactId>
-        <version>1.4.0-SNAPSHOT</version>
+        <version>1.3.1</version>
     </parent>
 
     <artifactId>example-greeting-service</artifactId>
diff --git a/examples/example-exemplars-tail-sampling/example-hello-world-app/pom.xml b/examples/example-exemplars-tail-sampling/example-hello-world-app/pom.xml
index ae0b3679..2a1b7a88 100644
--- a/examples/example-exemplars-tail-sampling/example-hello-world-app/pom.xml
+++ b/examples/example-exemplars-tail-sampling/example-hello-world-app/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>example-exemplars-tail-sampling</artifactId>
-        <version>1.4.0-SNAPSHOT</version>
+        <version>1.3.1</version>
     </parent>
 
     <artifactId>example-hello-world-app</artifactId>
diff --git a/examples/example-exemplars-tail-sampling/pom.xml b/examples/example-exemplars-tail-sampling/pom.xml
index ed3cb087..6e83dc25 100644
--- a/examples/example-exemplars-tail-sampling/pom.xml
+++ b/examples/example-exemplars-tail-sampling/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>examples</artifactId>
-        <version>1.4.0-SNAPSHOT</version>
+        <version>1.3.1</version>
     </parent>
 
     <artifactId>example-exemplars-tail-sampling</artifactId>
diff --git a/examples/example-exporter-httpserver/pom.xml b/examples/example-exporter-httpserver/pom.xml
index 189e74c6..6a3f1854 100644
--- a/examples/example-exporter-httpserver/pom.xml
+++ b/examples/example-exporter-httpserver/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>examples</artifactId>
-        <version>1.4.0-SNAPSHOT</version>
+        <version>1.3.1</version>
     </parent>
 
     <artifactId>example-exporter-httpserver</artifactId>
diff --git a/examples/example-exporter-multi-target/pom.xml b/examples/example-exporter-multi-target/pom.xml
index 0f1b03cf..7a324395 100644
--- a/examples/example-exporter-multi-target/pom.xml
+++ b/examples/example-exporter-multi-target/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>examples</artifactId>
-        <version>1.4.0-SNAPSHOT</version>
+        <version>1.3.1</version>
     </parent>
 
     <artifactId>example-exporter-multi-target</artifactId>
diff --git a/examples/example-exporter-opentelemetry/pom.xml b/examples/example-exporter-opentelemetry/pom.xml
index 29c9ab15..820f4e59 100644
--- a/examples/example-exporter-opentelemetry/pom.xml
+++ b/examples/example-exporter-opentelemetry/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>examples</artifactId>
-        <version>1.4.0-SNAPSHOT</version>
+        <version>1.3.1</version>
     </parent>
 
     <artifactId>example-exporter-opentelemetry</artifactId>
diff --git a/examples/example-exporter-servlet-tomcat/pom.xml b/examples/example-exporter-servlet-tomcat/pom.xml
index 1f9df84c..48fd93e0 100644
--- a/examples/example-exporter-servlet-tomcat/pom.xml
+++ b/examples/example-exporter-servlet-tomcat/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>examples</artifactId>
-        <version>1.4.0-SNAPSHOT</version>
+        <version>1.3.1</version>
     </parent>
 
     <artifactId>example-exporter-servlet-tomcat</artifactId>
diff --git a/examples/example-native-histogram/pom.xml b/examples/example-native-histogram/pom.xml
index 336a4d05..8b690ae0 100644
--- a/examples/example-native-histogram/pom.xml
+++ b/examples/example-native-histogram/pom.xml
@@ -5,7 +5,7 @@
     <parent>
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         <artifactId>examples</artifactId>
-        <version>1.4.0-SNAPSHOT</version>
+        <version>1.3.1</version>
     </parent>
 
     <artifactId>example-native-histogram</artifactId>
diff --git a/examples/example-prometheus-properties/pom.xml b/examples/example-prometheus-properties/pom.xml
index 62b44cfe..7c3dbed0 100644
--- a/examples/example-prometheus-properties/pom.xml
+++ b/examples/example-prometheus-properties/pom.xml
@@ -5,7 +5,7 @@
     <parent>
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+        <version>1.3.1</version>
     </parent>
 
     <artifactId>example-prometheus-properties</artifactId>
diff --git a/examples/example-simpleclient-bridge/pom.xml b/examples/example-simpleclient-bridge/pom.xml
index d874aacb..a909a328 100644
--- a/examples/example-simpleclient-bridge/pom.xml
+++ b/examples/example-simpleclient-bridge/pom.xml
@@ -5,7 +5,7 @@
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     </parent>
 
     <artifactId>example-simpleclient-bridge</artifactId>
diff --git a/examples/pom.xml b/examples/pom.xml
index a1eb1722..210b4a94 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -5,7 +5,7 @@
     <parent>
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-        <version>1.4.0-SNAPSHOT</version>
+        <version>1.3.1</version>
     </parent>
 
     <artifactId>examples</artifactId>
diff --git a/integration-tests/it-common/pom.xml b/integration-tests/it-common/pom.xml
index 195a10ca..d6850e2b 100644
--- a/integration-tests/it-common/pom.xml
+++ b/integration-tests/it-common/pom.xml
@@ -5,7 +5,7 @@
     <parent>
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-        <version>1.4.0-SNAPSHOT</version>
+        <version>1.3.1</version>
     </parent>
 
     <artifactId>it-common</artifactId>
diff --git a/integration-tests/it-exporter/it-exporter-httpserver-sample/pom.xml b/integration-tests/it-exporter/it-exporter-httpserver-sample/pom.xml
index 2743b393..945db776 100644
--- a/integration-tests/it-exporter/it-exporter-httpserver-sample/pom.xml
+++ b/integration-tests/it-exporter/it-exporter-httpserver-sample/pom.xml
@@ -5,7 +5,7 @@
     <parent>
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         <artifactId>it-exporter</artifactId>
-        <version>1.4.0-SNAPSHOT</version>
+        <version>1.3.1</version>
     </parent>
 
     <artifactId>it-exporter-httpserver-sample</artifactId>
diff --git a/integration-tests/it-exporter/it-exporter-servlet-jetty-sample/pom.xml b/integration-tests/it-exporter/it-exporter-servlet-jetty-sample/pom.xml
index 622f9325..cd1e1796 100644
--- a/integration-tests/it-exporter/it-exporter-servlet-jetty-sample/pom.xml
+++ b/integration-tests/it-exporter/it-exporter-servlet-jetty-sample/pom.xml
@@ -5,7 +5,7 @@
     <parent>
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-        <version>1.4.0-SNAPSHOT</version>
+        <version>1.3.1</version>
     </parent>
 
     <artifactId>it-exporter-servlet-jetty-sample</artifactId>
diff --git a/integration-tests/it-exporter/it-exporter-servlet-tomcat-sample/pom.xml b/integration-tests/it-exporter/it-exporter-servlet-tomcat-sample/pom.xml
index bb78e054..b4d96d57 100644
--- a/integration-tests/it-exporter/it-exporter-servlet-tomcat-sample/pom.xml
+++ b/integration-tests/it-exporter/it-exporter-servlet-tomcat-sample/pom.xml
@@ -5,7 +5,7 @@
     <parent>
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-        <version>1.4.0-SNAPSHOT</version>
+        <version>1.3.1</version>
     </parent>
 
     <artifactId>it-exporter-servlet-tomcat-sample</artifactId>
diff --git a/integration-tests/it-exporter/it-exporter-test/pom.xml b/integration-tests/it-exporter/it-exporter-test/pom.xml
index 899a17f1..fb04863a 100644
--- a/integration-tests/it-exporter/it-exporter-test/pom.xml
+++ b/integration-tests/it-exporter/it-exporter-test/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>it-exporter</artifactId>
-        <version>1.4.0-SNAPSHOT</version>
+        <version>1.3.1</version>
     </parent>
 
     <artifactId>it-exporter-test</artifactId>
diff --git a/integration-tests/it-exporter/pom.xml b/integration-tests/it-exporter/pom.xml
index 694cee95..15c50672 100644
--- a/integration-tests/it-exporter/pom.xml
+++ b/integration-tests/it-exporter/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>integration-tests</artifactId>
-        <version>1.4.0-SNAPSHOT</version>
+        <version>1.3.1</version>
     </parent>
 
     <artifactId>it-exporter</artifactId>
@@ -29,7 +29,7 @@
         <connection>scm:git:git@github.com:prometheus/client_java.git</connection>
         <developerConnection>scm:git:git@github.com:prometheus/client_java.git</developerConnection>
         <url>git@github.com:prometheus/client_java.git</url>
-        <tag>HEAD</tag>
+        <tag>v1.3.1</tag>
     </scm>
 
     <developers>
diff --git a/integration-tests/it-pushgateway/pom.xml b/integration-tests/it-pushgateway/pom.xml
index 25ce45b1..fef36075 100644
--- a/integration-tests/it-pushgateway/pom.xml
+++ b/integration-tests/it-pushgateway/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.prometheus</groupId>
         <artifactId>integration-tests</artifactId>
-        <version>1.4.0-SNAPSHOT</version>
+        <version>1.3.1</version>
     </parent>
 
     <artifactId>it-pushgateway</artifactId>
diff --git a/integration-tests/pom.xml b/integration-tests/pom.xml
index 2ed77b95..7c1c6405 100644
--- a/integration-tests/pom.xml
+++ b/integration-tests/pom.xml
@@ -5,7 +5,7 @@
     <parent>
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         <artifactId>client_java</artifactId>
-        <version>1.4.0-SNAPSHOT</version>
+        <version>1.3.1</version>
     </parent>
 
     <artifactId>integration-tests</artifactId>
diff --git a/pom.xml b/pom.xml
index e678cf66..84f1c21c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>io.prometheus</groupId>
     <artifactId>client_java</artifactId>
-    <version>1.4.0-SNAPSHOT</version>
+    <version>1.3.1</version>
 
     <name>Prometheus Metrics Library</name>
     <url>http://github.com/prometheus/client_java</url>
@@ -30,7 +30,7 @@
         <connection>scm:git:git@github.com:prometheus/client_java.git</connection>
         <developerConnection>scm:git:git@github.com:prometheus/client_java.git</developerConnection>
         <url>git@github.com:prometheus/client_java.git</url>
-        <tag>HEAD</tag>
+        <tag>v1.3.1</tag>
     </scm>
 
     <developers>
diff --git a/prometheus-metrics-bom/pom.xml b/prometheus-metrics-bom/pom.xml
index 9ce68947..9f92b1c3 100644
--- a/prometheus-metrics-bom/pom.xml
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diff --git a/prometheus-metrics-config/pom.xml b/prometheus-metrics-config/pom.xml
index 2d1e95c8..7ee92ad7 100644
--- a/prometheus-metrics-config/pom.xml
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diff --git a/prometheus-metrics-core/pom.xml b/prometheus-metrics-core/pom.xml
index fd3c9a04..678123e8 100644
--- a/prometheus-metrics-core/pom.xml
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diff --git a/prometheus-metrics-exporter-common/pom.xml b/prometheus-metrics-exporter-common/pom.xml
index f65aabf6..d0969317 100644
--- a/prometheus-metrics-exporter-common/pom.xml
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diff --git a/prometheus-metrics-exporter-httpserver/pom.xml b/prometheus-metrics-exporter-httpserver/pom.xml
index 45fbfe18..a1367181 100644
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diff --git a/prometheus-metrics-exporter-opentelemetry/pom.xml b/prometheus-metrics-exporter-opentelemetry/pom.xml
index be9de3f8..2b6eb46d 100644
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diff --git a/prometheus-metrics-exporter-pushgateway/pom.xml b/prometheus-metrics-exporter-pushgateway/pom.xml
index 8b6e2252..55ee6961 100644
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diff --git a/prometheus-metrics-exporter-servlet-jakarta/pom.xml b/prometheus-metrics-exporter-servlet-jakarta/pom.xml
index 18559c8e..0d47dee4 100644
--- a/prometheus-metrics-exporter-servlet-jakarta/pom.xml
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diff --git a/prometheus-metrics-exporter-servlet-javax/pom.xml b/prometheus-metrics-exporter-servlet-javax/pom.xml
index b930dd9c..faeb0c96 100644
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diff --git a/prometheus-metrics-exposition-formats/pom.xml b/prometheus-metrics-exposition-formats/pom.xml
index 209151f6..0cff443c 100644
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diff --git a/prometheus-metrics-instrumentation-dropwizard5/pom.xml b/prometheus-metrics-instrumentation-dropwizard5/pom.xml
index 085e6de7..677210a0 100644
--- a/prometheus-metrics-instrumentation-dropwizard5/pom.xml
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     <artifactId>prometheus-metrics-instrumentation-dropwizard5</artifactId>
diff --git a/prometheus-metrics-instrumentation-jvm/pom.xml b/prometheus-metrics-instrumentation-jvm/pom.xml
index c847500d..b2aee154 100644
--- a/prometheus-metrics-instrumentation-jvm/pom.xml
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     <artifactId>prometheus-metrics-instrumentation-jvm</artifactId>
diff --git a/prometheus-metrics-model/pom.xml b/prometheus-metrics-model/pom.xml
index 8d3051df..aeaec90f 100644
--- a/prometheus-metrics-model/pom.xml
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diff --git a/prometheus-metrics-shaded-dependencies/pom.xml b/prometheus-metrics-shaded-dependencies/pom.xml
index 49b015e4..611334ab 100644
--- a/prometheus-metrics-shaded-dependencies/pom.xml
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     <artifactId>prometheus-metrics-shaded-dependencies</artifactId>
diff --git a/prometheus-metrics-shaded-dependencies/prometheus-metrics-shaded-opentelemetry/pom.xml b/prometheus-metrics-shaded-dependencies/prometheus-metrics-shaded-opentelemetry/pom.xml
index 41573529..7a7b9f9d 100644
--- a/prometheus-metrics-shaded-dependencies/prometheus-metrics-shaded-opentelemetry/pom.xml
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     </parent>
 
     <artifactId>prometheus-metrics-shaded-opentelemetry</artifactId>
diff --git a/prometheus-metrics-shaded-dependencies/prometheus-metrics-shaded-protobuf/pom.xml b/prometheus-metrics-shaded-dependencies/prometheus-metrics-shaded-protobuf/pom.xml
index 9f9d46f1..2e58cc37 100644
--- a/prometheus-metrics-shaded-dependencies/prometheus-metrics-shaded-protobuf/pom.xml
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@@ -5,7 +5,7 @@
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     <artifactId>prometheus-metrics-shaded-protobuf</artifactId>
diff --git a/prometheus-metrics-simpleclient-bridge/pom.xml b/prometheus-metrics-simpleclient-bridge/pom.xml
index ba88815f..e75ff9ec 100644
--- a/prometheus-metrics-simpleclient-bridge/pom.xml
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@@ -5,7 +5,7 @@
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     <artifactId>prometheus-metrics-simpleclient-bridge</artifactId>
diff --git a/prometheus-metrics-tracer/pom.xml b/prometheus-metrics-tracer/pom.xml
index 2d10bca4..37d7a31c 100644
--- a/prometheus-metrics-tracer/pom.xml
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@@ -5,7 +5,7 @@
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+    <version>1.3.1</version>
   </parent>
 
   <artifactId>prometheus-metrics-tracer</artifactId>
diff --git a/prometheus-metrics-tracer/prometheus-metrics-tracer-common/pom.xml b/prometheus-metrics-tracer/prometheus-metrics-tracer-common/pom.xml
index dee1f5a4..5c71aa55 100644
--- a/prometheus-metrics-tracer/prometheus-metrics-tracer-common/pom.xml
+++ b/prometheus-metrics-tracer/prometheus-metrics-tracer-common/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>io.prometheus</groupId>
     <artifactId>prometheus-metrics-tracer</artifactId>
-    <version>1.4.0-SNAPSHOT</version>
+    <version>1.3.1</version>
   </parent>
 
   <artifactId>prometheus-metrics-tracer-common</artifactId>
diff --git a/prometheus-metrics-tracer/prometheus-metrics-tracer-initializer/pom.xml b/prometheus-metrics-tracer/prometheus-metrics-tracer-initializer/pom.xml
index 4898db46..ffca00d8 100644
--- a/prometheus-metrics-tracer/prometheus-metrics-tracer-initializer/pom.xml
+++ b/prometheus-metrics-tracer/prometheus-metrics-tracer-initializer/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>io.prometheus</groupId>
     <artifactId>prometheus-metrics-tracer</artifactId>
-    <version>1.4.0-SNAPSHOT</version>
+    <version>1.3.1</version>
   </parent>
 
   <artifactId>prometheus-metrics-tracer-initializer</artifactId>
diff --git a/prometheus-metrics-tracer/prometheus-metrics-tracer-otel-agent/pom.xml b/prometheus-metrics-tracer/prometheus-metrics-tracer-otel-agent/pom.xml
index 66a15e39..3f54f084 100644
--- a/prometheus-metrics-tracer/prometheus-metrics-tracer-otel-agent/pom.xml
+++ b/prometheus-metrics-tracer/prometheus-metrics-tracer-otel-agent/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>io.prometheus</groupId>
     <artifactId>prometheus-metrics-tracer</artifactId>
-    <version>1.4.0-SNAPSHOT</version>
+    <version>1.3.1</version>
   </parent>
 
   <artifactId>prometheus-metrics-tracer-otel-agent</artifactId>
diff --git a/prometheus-metrics-tracer/prometheus-metrics-tracer-otel/pom.xml b/prometheus-metrics-tracer/prometheus-metrics-tracer-otel/pom.xml
index 2c91242e..0496e654 100644
--- a/prometheus-metrics-tracer/prometheus-metrics-tracer-otel/pom.xml
+++ b/prometheus-metrics-tracer/prometheus-metrics-tracer-otel/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>io.prometheus</groupId>
     <artifactId>prometheus-metrics-tracer</artifactId>
-    <version>1.4.0-SNAPSHOT</version>
+    <version>1.3.1</version>
   </parent>
 
   <artifactId>prometheus-metrics-tracer-otel</artifactId>