diff --git a/.build/create-release.sh b/.build/create-release.sh
index 152825e..74a94a8 100755
--- a/.build/create-release.sh
+++ b/.build/create-release.sh
@@ -1,8 +1,8 @@
 #!/usr/bin/env bash
 set -e
 
-. "$(dirname "$0")/tools/functions/parse-version.sh.inc"
 export PATH="$PICO_TOOLS_DIR:$PATH"
+. "$PICO_TOOLS_DIR/functions/parse-version.sh.inc"
 
 # parameters
 ARCHIVE="$1"    # release archive file name
diff --git a/.build/deploy-release.sh b/.build/deploy-release.sh
index d2a61a1..137d92e 100755
--- a/.build/deploy-release.sh
+++ b/.build/deploy-release.sh
@@ -31,8 +31,8 @@ if [ "$DEPLOY_FULL" != "true" ]; then
     echo
 fi
 
-. "$(dirname "$0")/tools/functions/parse-version.sh.inc"
 export PATH="$PICO_TOOLS_DIR:$PATH"
+. "$PICO_TOOLS_DIR/functions/parse-version.sh.inc"
 
 # parse version
 if ! parse_version "$PROJECT_REPO_TAG"; then