diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 33a498fb078f81fb18b6010b1cf2cf79c903f05f..3680e33aa83943acfff0677b18b58976f6f25c68 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -109,7 +109,7 @@ ubuntu:
   before_script:
     - apt-get -y remove python3-sympy
     - ln -s /usr/include/locale.h /usr/include/xlocale.h
-    - pip3 install `grep -Eo 'sympy[>=]+[0-9\.]+' setup.py | sed 's/>/=/g'`
+    - pip3 install `grep -Eo 'sympy[>=]+[0-9\.]+' pyproject.toml | sed 's/>/=/g'`
     # - pip3 install `grep -Eo 'sympy[>=]+[0-9\.]+' setup.py | sed 's/>/=/g'`
   script:
     - export NUM_CORES=$(nproc --all)