diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1f20bd9..897c22e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,13 +23,13 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        scala: [2.12.19]
+        scala: [2.12.20]
         java: [zulu@8, temurin@17]
         exclude:
-          - scala: 2.12.19
+          - scala: 2.12.20
             java: zulu@8
             os: macos-latest
-          - scala: 2.12.19
+          - scala: 2.12.20
             java: temurin@17
             os: windows-latest
     runs-on: ${{ matrix.os }}
@@ -95,7 +95,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.12.19]
+        scala: [2.12.20]
         java: [zulu@8]
     runs-on: ${{ matrix.os }}
     steps:
@@ -135,12 +135,12 @@ jobs:
       - name: Setup sbt
         uses: sbt/setup-sbt@v1
 
-      - name: Download target directories (2.12.19)
+      - name: Download target directories (2.12.20)
         uses: actions/download-artifact@v4
         with:
-          name: target-${{ matrix.os }}-2.12.19-${{ matrix.java }}
+          name: target-${{ matrix.os }}-2.12.20-${{ matrix.java }}
 
-      - name: Inflate target directories (2.12.19)
+      - name: Inflate target directories (2.12.20)
         run: |
           tar xf targets.tar
           rm targets.tar
diff --git a/build.sbt b/build.sbt
index 53693fa..50af79c 100644
--- a/build.sbt
+++ b/build.sbt
@@ -20,7 +20,7 @@
 import Dependencies.*
 
 ThisBuild / organization := "com.github.sbt.junit"
-ThisBuild / scalaVersion := "2.12.19"
+ThisBuild / scalaVersion := "2.12.20"
 
 lazy val commonSettings: Seq[Setting[_]] = Def.settings(
   Compile / javacOptions ++= Seq(
diff --git a/examples/multi-project/build.sbt b/examples/multi-project/build.sbt
index 4cf36c0..dee56a3 100644
--- a/examples/multi-project/build.sbt
+++ b/examples/multi-project/build.sbt
@@ -1,4 +1,4 @@
-ThisBuild / scalaVersion := "2.12.19"
+ThisBuild / scalaVersion := "2.12.20"
 ThisBuild / libraryDependencies ++= Seq(
   "com.github.sbt.junit" % "jupiter-interface" % JupiterKeys.jupiterVersion.value % Test
 )
diff --git a/examples/simple/build.sbt b/examples/simple/build.sbt
index dbc7d4b..1e73118 100644
--- a/examples/simple/build.sbt
+++ b/examples/simple/build.sbt
@@ -1,4 +1,4 @@
-scalaVersion := "2.12.19"
+scalaVersion := "2.12.20"
 name := "simple"
 libraryDependencies ++= Seq(
   "com.github.sbt.junit" % "jupiter-interface" % JupiterKeys.jupiterVersion.value % Test