diff --git a/Dockerfile.dapper b/Dockerfile.dapper
index 8575b62..a1ab59f 100644
--- a/Dockerfile.dapper
+++ b/Dockerfile.dapper
@@ -1,5 +1,5 @@
-FROM gcc:7.3.0
-# FROM arm64=arm64v8/gcc:7.3.0
+FROM gcc:7.4.0
+# FROM arm64=arm64v8/gcc:7.4.0
 
 RUN apt-get update \
     && apt-get install -y ccache vim gnupg2 locales bc kmod libelf-dev \