diff --git a/docker/opensuse-tumbleweed/Dockerfile b/docker/opensuse-tumbleweed/Dockerfile
index 1d347e479..f54a29d44 100644
--- a/docker/opensuse-tumbleweed/Dockerfile
+++ b/docker/opensuse-tumbleweed/Dockerfile
@@ -2,7 +2,7 @@ FROM opensuse/tumbleweed
 
 ENV LANG C
 # libqt5-qtbase-devel skipped
-RUN zypper --non-interactive install --no-recommends shadow sudo git patterns-devel-base-devel_basis gcc-c++ readline-devel libbz2-devel cross-arm-none-gcc9 cross-arm-none-newlib-devel
+RUN zypper --non-interactive install --no-recommends shadow sudo git patterns-devel-base-devel_basis gcc-c++ readline-devel libbz2-devel cross-arm-none-gcc11 cross-arm-none-newlib-devel
 
 # Create rrg user
 RUN useradd -ms /bin/bash rrg
diff --git a/docker/opensuse-tumbleweed/README.md b/docker/opensuse-tumbleweed/README.md
index 091f2144b..b1456b1bb 100644
--- a/docker/opensuse-tumbleweed/README.md
+++ b/docker/opensuse-tumbleweed/README.md
@@ -1,6 +1,7 @@
 # Notes to run tests
 
 ```
+sudo zypper --non-interactive install cmake
 sudo zypper --non-interactive install python3
 sudo zypper --non-interactive install python3-pip
 python3 -m pip install ansicolors sslcrypto