diff --git a/projects/sympy.org/package.yml b/projects/sympy.org/package.yml
index 3a7ca938..9f2da9e4 100644
--- a/projects/sympy.org/package.yml
+++ b/projects/sympy.org/package.yml
@@ -14,8 +14,11 @@ runtime:
     PYTHONPATH: $PYTHONPATH:{{prefix}}/lib/python{{deps.python.org.version.major}}/site-packages
 
 build:
+  # versions not updated
+  - run: sed -i 's/__version__ =.*/__version__ = "{{version.raw}}"/' release.py
+    working-directory: sympy
   - python -m pip install --prefix={{prefix}} .
   - run: ln -s python{{deps.python.org.version.marketing}} python{{deps.python.org.version.major}}
     working-directory: ${{prefix}}/lib
 
-test: python -c 'import sympy as sp; print(sp.__version__)' | grep {{version.raw}}
\ No newline at end of file
+test: python -c 'import sympy as sp; print(sp.__version__)' | grep {{version.raw}}