diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 03b2b303..5ff975e6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,7 +30,7 @@ jobs:
       uses: actions/setup-java@v3.13.0
       with:
         distribution: temurin
-        java-version: '8'
+        java-version: '17'
         check-latest: true
     - name: Cache Dependencies
       uses: coursier/cache-action@v6
@@ -55,7 +55,7 @@ jobs:
       uses: actions/setup-java@v3.13.0
       with:
         distribution: temurin
-        java-version: '8'
+        java-version: '17'
         check-latest: true
     - name: Cache Dependencies
       uses: coursier/cache-action@v6
@@ -70,10 +70,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        java:
-        - '8'
-        - '11'
-        - '17'
+        java: ['11', '17', '21']
     steps:
     - name: Install libuv
       run: sudo apt-get update && sudo apt-get install -y libuv1-dev
@@ -107,7 +104,7 @@ jobs:
       uses: actions/setup-java@v3.13.0
       with:
         distribution: temurin
-        java-version: '8'
+        java-version: '17'
         check-latest: true
     - name: Cache Dependencies
       uses: coursier/cache-action@v6
@@ -181,7 +178,7 @@ jobs:
       uses: actions/setup-java@v3.13.0
       with:
         distribution: temurin
-        java-version: '8'
+        java-version: '17'
         check-latest: true
     - name: Cache Dependencies
       uses: coursier/cache-action@v6
@@ -210,7 +207,7 @@ jobs:
       uses: actions/setup-java@v3.13.0
       with:
         distribution: temurin
-        java-version: '8'
+        java-version: '17'
         check-latest: true
     - name: Cache Dependencies
       uses: coursier/cache-action@v6
diff --git a/README.md b/README.md
index 4df2ca73..5f784a73 100644
--- a/README.md
+++ b/README.md
@@ -140,10 +140,7 @@ test:
   strategy:
     fail-fast: false
     matrix:
-      java:
-      - '8'
-      - '11'
-      - '17'
+      java: ['11', '17', '21']
   steps:
   - name: Install libuv
     run: sudo apt-get update && sudo apt-get install -y libuv1-dev
@@ -171,12 +168,12 @@ In some cases, we may have multiple submodules in our project and we want to tes
 
 The `ciTargetScalaVersions` setting key is used to define a mapping of project names to the Scala versions that should be used for testing phase of continuous integration (CI).
 
-For example, suppose we have a project with the name "submoduleA" and we want to test it against Scala `2.12.18`, and for the "submoduleB" we want to test it against Scala `2.12.18` and `2.13.11` and `3.3.0`, We can define the `ciTargetScalaVersions` setting as follows:
+For example, suppose we have a project with the name "submoduleA" and we want to test it against Scala `2.12.18`, and for the "submoduleB" we want to test it against Scala `2.12.18` and `2.13.12` and `3.3.1`, We can define the `ciTargetScalaVersions` setting as follows:
 
 ```scala
 ThisBuild / ciTargetScalaVersions := Map(
     "submoduleA" -> Seq("2.12.18"),
-    "submoduleB" -> Seq("2.12.18", "2.13.11", "3.3.0")
+    "submoduleB" -> Seq("2.12.18", "2.13.12", "3.3.1")
   )
 ```
 
@@ -207,15 +204,12 @@ test:
   strategy:
     fail-fast: false
     matrix:
-      java:
-      - '8'
-      - '11'
-      - '17'
+      java: ['11', '17', '21']
       scala-project:
       - ++2.12.18 submoduleA
       - ++2.12.18 submoduleB
-      - ++2.13.11 submoduleB
-      - ++3.3.0 submoduleB
+      - ++2.13.12 submoduleB
+      - ++3.3.1 submoduleB
   steps:
   - name: Install libuv
     run: sudo apt-get update && sudo apt-get install -y libuv1-dev
diff --git a/docs/index.md b/docs/index.md
index 5fbd6cb1..03165b30 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -138,11 +138,7 @@ test:
   continue-on-error: false
   strategy:
     fail-fast: false
-    matrix:
-      java:
-      - '8'
-      - '11'
-      - '17'
+    java: ['11', '17', '21']
   steps:
   - name: Install libuv
     run: sudo apt-get update && sudo apt-get install -y libuv1-dev
@@ -170,12 +166,12 @@ In some cases, we may have multiple submodules in our project and we want to tes
 
 The `ciTargetScalaVersions` setting key is used to define a mapping of project names to the Scala versions that should be used for testing phase of continuous integration (CI).
 
-For example, suppose we have a project with the name "submoduleA" and we want to test it against Scala `2.12.18`, and for the "submoduleB" we want to test it against Scala `2.12.18` and `2.13.11` and `3.3.0`, We can define the `ciTargetScalaVersions` setting as follows:
+For example, suppose we have a project with the name "submoduleA" and we want to test it against Scala `2.12.18`, and for the "submoduleB" we want to test it against Scala `2.12.18` and `2.13.12` and `3.3.1`, We can define the `ciTargetScalaVersions` setting as follows:
 
 ```scala
 ThisBuild / ciTargetScalaVersions := Map(
     "submoduleA" -> Seq("2.12.18"),
-    "submoduleB" -> Seq("2.12.18", "2.13.11", "3.3.0")
+    "submoduleB" -> Seq("2.12.18", "2.13.12", "3.3.1")
   )
 ```
 
@@ -206,15 +202,12 @@ test:
   strategy:
     fail-fast: false
     matrix:
-      java:
-      - '8'
-      - '11'
-      - '17'
+      java: ['11', '17', '21']
       scala-project:
       - ++2.12.18 submoduleA
       - ++2.12.18 submoduleB
-      - ++2.13.11 submoduleB
-      - ++3.3.0 submoduleB
+      - ++2.13.12 submoduleB
+      - ++3.3.1 submoduleB
   steps:
   - name: Install libuv
     run: sudo apt-get update && sudo apt-get install -y libuv1-dev
diff --git a/project/Versions.scala b/project/Versions.scala
index 536a8d11..01bee139 100644
--- a/project/Versions.scala
+++ b/project/Versions.scala
@@ -1,6 +1,6 @@
 object Versions {
   val Scala212 = "2.12.18"
-  val Scala213 = "2.13.11"
-  val Scala3   = "3.3.0"
-  val zio      = "2.0.16"
+  val Scala213 = "2.13.12"
+  val Scala3   = "3.3.1"
+  val zio      = "2.0.17"
 }
diff --git a/zio-sbt-ecosystem/src/main/scala/zio/sbt/Versions.scala b/zio-sbt-ecosystem/src/main/scala/zio/sbt/Versions.scala
index bca39e40..d333e0c0 100644
--- a/zio-sbt-ecosystem/src/main/scala/zio/sbt/Versions.scala
+++ b/zio-sbt-ecosystem/src/main/scala/zio/sbt/Versions.scala
@@ -22,11 +22,11 @@ object Versions {
   val KindProjectorVersion = "0.13.2"
   val ScaluzziVersion      = "0.1.23"
 
-  val scala3   = "3.3.0"
+  val scala3   = "3.3.1"
   val scala212 = "2.12.18"
-  val scala213 = "2.13.11"
+  val scala213 = "2.13.12"
 
-  val zioVersion = "2.0.16"
+  val zioVersion = "2.0.17"
 
   lazy val betterMonadFor: ModuleID = "com.olegpy" %% "better-monadic-for" % "0.3.1"
 }
diff --git a/zio-sbt-ecosystem/src/sbt-test/zio-sbt-ecosystem/verifySettingsWithCI/.github/workflows/ci.yml b/zio-sbt-ecosystem/src/sbt-test/zio-sbt-ecosystem/verifySettingsWithCI/.github/workflows/ci.yml
index 85ed6c5b..b710cb92 100644
--- a/zio-sbt-ecosystem/src/sbt-test/zio-sbt-ecosystem/verifySettingsWithCI/.github/workflows/ci.yml
+++ b/zio-sbt-ecosystem/src/sbt-test/zio-sbt-ecosystem/verifySettingsWithCI/.github/workflows/ci.yml
@@ -2,7 +2,6 @@ name: CI
 
 env:
   JDK_JAVA_OPTIONS: -XX:+PrintCommandLineFlags -Xmx6G -Xss4M -XX:+UseG1GC # JDK_JAVA_OPTIONS is _the_ env. variable to use for modern Java
-  JVM_OPTS: -XX:+PrintCommandLineFlags -Xmx6G -Xss4M -XX:+UseG1GC # for Java 8 only (sadly, it is not modern enough for JDK_JAVA_OPTIONS)
   NODE_OPTIONS: --max_old_space_size=6144
 
 on:
@@ -21,9 +20,9 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        java: ['8', '11', '17']
+        java: ['11', '17', '21']
         # These version must be different than the versions in V.scala to verify that we are reading from the ci.yml file.
-        scala: ['2.12.18', '2.13.11', '3.3.0' ]
+        scala: ['2.12.18', '2.13.12', '3.3.1' ]
     steps:
     - uses: actions/checkout@v4.0.0
     - uses: actions/setup-java@v3.12.0