diff --git a/test/Dockerfile.jammy b/test/Dockerfile.jammy
index 8e4a9ba9b7..b7df2cf830 100644
--- a/test/Dockerfile.jammy
+++ b/test/Dockerfile.jammy
@@ -45,7 +45,7 @@ RUN install-tool docker v24.0.7
 RUN install-tool dotnet 8.0.101
 
 # renovate: datasource=flutter-version
-RUN install-tool flutter 3.16.7
+RUN install-tool flutter 3.16.8
 
 # renovate: datasource=github-releases packageName=fluxcd/flux2
 RUN install-tool flux v2.2.2
diff --git a/test/flutter/Dockerfile b/test/flutter/Dockerfile
index be124d1832..e4371bc4ae 100644
--- a/test/flutter/Dockerfile
+++ b/test/flutter/Dockerfile
@@ -89,7 +89,7 @@ FROM build as testd
 USER 1000
 
 # renovate: datasource=flutter-version
-RUN install-tool flutter 3.16.7
+RUN install-tool flutter 3.16.8
 
 RUN set -ex; \
     cd d; \
@@ -106,7 +106,7 @@ RUN chown -R 1001 .
 USER 1001
 
 # renovate: datasource=flutter-version
-RUN install-tool flutter 3.16.7
+RUN install-tool flutter 3.16.8
 
 RUN set -ex; \
     cd d; \
diff --git a/test/flutter/Dockerfile.arm64 b/test/flutter/Dockerfile.arm64
index 8357246dbd..07cc55ccaa 100644
--- a/test/flutter/Dockerfile.arm64
+++ b/test/flutter/Dockerfile.arm64
@@ -26,7 +26,7 @@ RUN install-tool git v2.43.0
 FROM base as test-flutter
 
 # renovate: datasource=flutter-version
-RUN install-tool flutter 3.16.7
+RUN install-tool flutter 3.16.8
 
 #--------------------------------------
 # Image: final