diff --git a/dev/docker/gcov/Dockerfile b/dev/docker/gcov/Dockerfile
index c69051e1bf0344eedba6e563ee6e951110e299d4..76700ee8afb60bf9c805f486af21b1056b5d0bdd 100644
--- a/dev/docker/gcov/Dockerfile
+++ b/dev/docker/gcov/Dockerfile
@@ -2,7 +2,7 @@
 
 FROM ubuntu:20.04
 
-RUN apt-get -y -m update && DEBIAN_FRONTEND=noninteractive apt-get install -y cmake python3-numpy g++ gfortran git zip python3-six nano python3-pip gcovr ninja-build
+RUN apt-get -y -m update && DEBIAN_FRONTEND=noninteractive apt-get install -y cmake g++ git zip nano gcovr ninja-build
 
 # This ADD block forces a build (invalidates the cache) if the git repo contents have changed, otherwise leaves it untouched.
 # See https://stackoverflow.com/a/39278224