diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 42c7027107e24c310c77f81acaf16dd77749aac0..c64e5f1cb9689a3f94ed38731c92e60aed6a6a80 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -20,7 +20,7 @@ pages:
     - export PYTHON="" 
       # The Pkg.develop() makes MarkovProcesses.jl available in julia
     - julia --project=docs/ -e 'using Pkg; Pkg.develop(PackageSpec(path=".")); Pkg.instantiate();'
-    - julia --project=docs/ -e 'using Pkg; Pkg.add("Conda"); using Conda; Conda.add("python=3.9"); Conda.add("scikit-learn")'
+    - julia --project=docs/ -e 'using Pkg; Pkg.add("Conda"); using Conda; Conda.add("scikit-learn")'
     - julia --project=docs/ --color=yes docs/make.jl  # make documentation
     - mkdir public
     # - mkdir public/dev