diff --git a/bin/bootstrap b/bin/bootstrap
index 81cb548..f3b0e54 100755
--- a/bin/bootstrap
+++ b/bin/bootstrap
@@ -3,8 +3,8 @@
 # bail on errors and unset variables
 set -euo pipefail
 
-SWIFT_VERSION=5.1.3
-SWIFT_DIR=swift-$SWIFT_VERSION-RELEASE-ubuntu18.04
+SWIFT_VERSION=5.5.2
+SWIFT_DIR=swift-$SWIFT_VERSION-RELEASE-ubuntu20.04
 SWIFT_FILENAME=$SWIFT_DIR.tar.gz
 
 if [[ $(uname) = "Linux" ]]; then
@@ -16,17 +16,14 @@ if [[ $(uname) = "Linux" ]]; then
     if [[ -e $SWIFT_FILENAME ]]; then
       echo "*** $SWIFT_FILENAME exists, skipping download"
     else
-      wget https://swift.org/builds/swift-$SWIFT_VERSION-release/ubuntu1804/swift-$SWIFT_VERSION-RELEASE/$SWIFT_FILENAME
+      wget https://swift.org/builds/swift-$SWIFT_VERSION-release/ubuntu2004/swift-$SWIFT_VERSION-RELEASE/$SWIFT_FILENAME
     fi
     if [[ -e $SWIFT_DIR ]]; then
       echo "*** $SWIFT_DIR exists, skipping extraction"
     else
       tar xzf $SWIFT_FILENAME
     fi
-    if ! grep $SWIFT_DIR $HOME/.bashrc >/dev/null 2>/dev/null; then
-      echo "*** adding $HOME/$SWIFT_DIR/usr/bin to PATH in $HOME/.bashrc"
-      echo "export PATH=\"\$HOME/$SWIFT_DIR/usr/bin:\$PATH\"" >> $HOME/.bashrc
-    fi
+    echo "*** add $HOME/$SWIFT_DIR/usr/bin to PATH in your shell's rc file"
     popd
   fi
 fi