diff --git a/bolt-http4k/pom.xml b/bolt-http4k/pom.xml
index 8b17ce7e9..29a61dc15 100644
--- a/bolt-http4k/pom.xml
+++ b/bolt-http4k/pom.xml
@@ -10,7 +10,7 @@
     </parent>
 
     <properties>
-        <http4k.version>5.27.0.0</http4k.version>
+        <http4k.version>5.28.0.0</http4k.version>
         <!-- http4k 5.26+ no longer supports Java 1.8 -->
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>
diff --git a/bolt-micronaut/pom.xml b/bolt-micronaut/pom.xml
index d866e68f7..356d43520 100644
--- a/bolt-micronaut/pom.xml
+++ b/bolt-micronaut/pom.xml
@@ -12,8 +12,8 @@
     <properties>
         <!-- TODO: holding off migrating to 4.6 due to binary compatibility issue with JDK 17; see https://github.com/slackapi/java-slack-sdk/actions/runs/10448506682/job/28929089969?pr=1350 -->
         <micronaut.version>4.5.4</micronaut.version>
-        <micronaut-test-junit5.version>4.4.0</micronaut-test-junit5.version>
-        <micronaut-rxjava3.version>3.4.0</micronaut-rxjava3.version>
+        <micronaut-test-junit5.version>4.5.0</micronaut-test-junit5.version>
+        <micronaut-rxjava3.version>3.5.0</micronaut-rxjava3.version>
         <junit5-jupiter.version>5.11.0</junit5-jupiter.version>
         <!-- Note that upgrading this library breaks other dependency resolution -->
         <mockito-all.version>1.10.19</mockito-all.version>