diff --git a/s2i/bin/assemble b/s2i/bin/assemble
index 63799d0..beaa01d 100755
--- a/s2i/bin/assemble
+++ b/s2i/bin/assemble
@@ -31,5 +31,6 @@ echo "---> Copying project..."
 cp -Rf /tmp/src/. ./
 
 echo "---> Preparing environment for command $CMD..."
+anaconda-project clean
 anaconda-project --verbose prepare --command $CMD
-conda clean --all --yes
\ No newline at end of file
+conda clean --all --yes