diff --git a/sol/scripts/install_foundry.sh b/sol/scripts/install_foundry.sh
index e085beb76d..e5f878288b 100755
--- a/sol/scripts/install_foundry.sh
+++ b/sol/scripts/install_foundry.sh
@@ -6,6 +6,7 @@ FOUNDRY_BIN_DIR="$FOUNDRY_DIR/bin"
 BIN_URL="https://raw.githubusercontent.com/foundry-rs/foundry/master/foundryup/foundryup"
 BIN_PATH="$FOUNDRY_BIN_DIR/foundryup"
 FOUNDRY_MAN_DIR="$FOUNDRY_DIR/share/man/man1"
+FOUNDRY_VERSION="nightly-de33b6af53005037b463318d2628b5cfcaf39916"
 
 # Clean
 rm -rf $FOUNDRY_DIR
@@ -18,4 +19,4 @@ chmod +x $BIN_PATH
 export PATH=$FOUNDRY_BIN_DIR:$PATH
 
 # Use version.
-foundryup
+foundryup --version $FOUNDRY_VERSION