diff --git a/build/Dockerfile b/build/Dockerfile
index d86cc9aed..fc22ea4c7 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -24,7 +24,7 @@ RUN mvn package -Passembly -DskipTests
 #                                   RELEASE                                    #
 ################################################################################
 
-FROM eclipse-temurin:25-jre
+FROM eclipse-temurin:26-jre
 
 COPY --from=build target/pgadapter /home/pgadapter
 COPY --from=build LICENSE /home/pgadapter/
diff --git a/samples/java/cloud-run/Dockerfile b/samples/java/cloud-run/Dockerfile
index 49ef5fd86..3d9ea5eaa 100644
--- a/samples/java/cloud-run/Dockerfile
+++ b/samples/java/cloud-run/Dockerfile
@@ -24,7 +24,7 @@ COPY src ./src
 RUN mvn package -DskipTests
 
 # Use AdoptOpenJDK for base image.
-FROM eclipse-temurin:25-jre-alpine
+FROM eclipse-temurin:26-jre-alpine
 
 # Copy the jar to the production image from the builder stage.
 COPY --from=builder /app/target/google-cloud-spanner-pgadapter-samples-cloud-run-*.jar /google-cloud-spanner-pgadapter-samples-cloud-run.jar