diff --git a/centos/Dockerfile b/centos/Dockerfile
index 189f73a184d208a3dd2ff55502c07cdb3dcf28cb..47bd3547d8631b2a4edc789573da2a4fd140b5ba 100644
--- a/centos/Dockerfile
+++ b/centos/Dockerfile
@@ -8,7 +8,7 @@ LABEL authors="Moritz Maxeiner <moritz.maxeiner@fu-berlin.de>"
 ENV BASH_ENV "/etc/profile"
 RUN yum install -y centos-release-scl && \
     yum install -y epel-release && \
-    yum install -y devtoolset-8 && \
+    yum install -y devtoolset-9 && \
     yum install -y rh-git218-git && \
     yum install -y patch && \
     yum clean all
diff --git a/centos/bash/toolchain.sh b/centos/bash/toolchain.sh
index cdcc45887f7ae10cc0ef056321f336b5d05257f1..66f98f663904e49b84993481fd1c3487fe7a93c4 100644
--- a/centos/bash/toolchain.sh
+++ b/centos/bash/toolchain.sh
@@ -1,5 +1,5 @@
-# GCC 8
-source scl_source enable devtoolset-8
+# GCC 9
+source scl_source enable devtoolset-9
 
 # Git 2.18
 source scl_source enable rh-git218