diff --git a/dev/up b/dev/up
index ad0e3881d..9e52c1637 100755
--- a/dev/up
+++ b/dev/up
@@ -12,15 +12,18 @@ if [[ "${OSTYPE}" == "darwin"* ]]; then
     fi
     if ! kotlinc -version &>/dev/null; then brew install kotlin; fi
     if ! swiftformat -version &>/dev/null; then brew install swiftformat; fi
+    if ! foundryup -version &>/dev/null; then  
+        # install foundry for tests that require mocking blockchain
+        curl -L https://foundry.paradigm.xyz | bash
+        # you made need to adjust this depending on which $SHELL you use 
+        source $HOME/.zshenv
+        foundryup
+    fi
 fi
 
 rustup update
 
-# install foundry for tests that require mocking blockchain
-curl -L https://foundry.paradigm.xyz | bash
-source ~/.zshenv
-source ~/.bashrc
-foundryup 
+ 
 
 dev/build_validation_service_local
 dev/docker/up