diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index bd06ef4f6..b30c1d082 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -171,8 +171,8 @@ jobs:
       - name: Test Scala Projection gRPC sample Shopping Cart
         run: |-
           cd samples/grpc/shopping-cart-service-scala
-          sbt test -Dakka-projection.version=`cat ~/.version`
-          sbt "clean; ++3.3.3!; test;" -Dakka-projection.version=`cat ~/.version`
+          sbt test -Dakka-projection.version=`cat ~/.version` -Dakka.fail-mixed-versions=off
+          sbt "clean; ++3.3.3!; test;" -Dakka-projection.version=`cat ~/.version` -Dakka.fail-mixed-versions=off
 
       - name: Compile Scala Projection gRPC sample Analytics
         run: |-
@@ -183,7 +183,7 @@ jobs:
       - name: Compile Java Projection gRPC sample Shopping Cart
         run: |-
           cd samples/grpc/shopping-cart-service-java
-          mvn test -nsu -ntp -Dakka-projection.version=`cat ~/.version`
+          mvn test -nsu -ntp -Dakka-projection.version=`cat ~/.version` -Dakka.fail-mixed-versions=off
 
       - name: Compile Java Projection gRPC sample Analytics
         run: |-
@@ -226,8 +226,8 @@ jobs:
       - name: Test Scala Projection gRPC IoT service sample
         run: |-
           cd samples/grpc/iot-service-scala
-          sbt test -Dakka-projection.version=`cat ~/.version`
-          sbt "clean; ++3.3.3!; test;" -Dakka-projection.version=`cat ~/.version`
+          sbt test -Dakka-projection.version=`cat ~/.version` -Dakka.fail-mixed-versions=off
+          sbt "clean; ++3.3.3!; test;" -Dakka-projection.version=`cat ~/.version` -Dakka.fail-mixed-versions=off
 
       - name: Compile Java Projection gRPC IoT service sample
         run: |-
@@ -258,7 +258,7 @@ jobs:
           # This will likely be quite noisy, logging failures to connect to restaurant-drone-deliveries service
           target/native-image/local-drone-control &
           DRONE_CONTROL_PID=$!
-          sbt "Test/runMain drones.DroneClientTestApp 127.0.0.1 8080" -Dakka-projection.version=`cat ~/.version`
+          sbt "Test/runMain drones.DroneClientTestApp 127.0.0.1 8080" -Dakka-projection.version=`cat ~/.version` -Dakka.fail-mixed-versions=off
           kill -9 $DRONE_CONTROL_PID
 
       - name: Set up GraalVM 21