diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0cad79f4582f0cd8a55f2f6e778ec5e4b4f850f8..b9c7200f491911d63973488067bb545a238daebe 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,8 +1,6 @@
-image: "flowdalic/debian-dev:1.11"
+image: "flowdalic/debian-dev:1.13"
 
 before_script:
-  - apt-get update && apt-get install -y nasm
-  - apt-get install -y -t testing valgrind
   - |
     readarray TOOLS <<EOF
     c++