diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c7312490167a7d242b56905d0ac6ea57ad134eb9..220abec30e7d30932403b6bb6363e369c55a1b65 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -73,7 +73,6 @@ centos7-gcc8-Geant10.5-XERCESC:
     - ctest --output-on-failure
 
 centos7-gcc8-Geant10.5-Python3:
-  allow_failure: true
   stage: build
   tags:
     - docker
diff --git a/.travis.yml b/.travis.yml
index 7c94fcf3b793be8fe8a471877bbd9ae3764b9c71..155b1ebc196dc4a7e5b936449faa5f3da8c9af4b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,7 @@ language: cpp
 env:
   matrix:
     - COMPILER=gcc;   LCG_RELEASE=LCG_96; STANDARD=17; COMPILER_VERSION=gcc8
+    - COMPILER=gcc;   LCG_RELEASE=LCG_96python3; STANDARD=17; COMPILER_VERSION=gcc8
     - COMPILER=clang; LCG_RELEASE=LCG_96; STANDARD=17; COMPILER_VERSION=clang8
     - COMPILER=gcc;   LCG_RELEASE=LCG_96; STANDARD=14; COMPILER_VERSION=gcc62