diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d249897e26ed06b3d8bddf7954adada0713862fc..8ce585246391c702ac26618dace24324479bdfbc 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -18,6 +18,7 @@ build-c-pandoc:
     - docker push omalaspinas/c_pandoc
   only:
     changes:
+      - pandoc/Dockerfile
       - c_pandoc/Dockerfile
 
 
diff --git a/c_pandoc/Dockerfile b/c_pandoc/Dockerfile
index 8eba66852e971053d57db3fa23d5af6479b64833..26fd1d858c7789f65e76747ec42db5d1224463fa 100644
--- a/c_pandoc/Dockerfile
+++ b/c_pandoc/Dockerfile
@@ -2,5 +2,5 @@ FROM omalaspinas/pandoc
 
 LABEL Description="Image used for C and pandoc compilation, based on alpine linux" maintainer="orestis.malaspinas@hesge.ch" Version="0.4"
 
-RUN apk add build-base clang
+RUN apk add build-base clang gcc