diff --git a/Jenkinsfile b/Jenkinsfile
index ee1671f..4b1f2ed 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -16,8 +16,7 @@ pipeline {
     parameters {
         string(name: 'R6RS_SCHEMES', defaultValue: 'capyscheme chezscheme guile ikarus ironscheme loko mosh racket sagittarius ypsilon', description: '')
         string(name: 'R7RS_SCHEMES', defaultValue: 'capyscheme chibi chicken cyclone foment gauche gambit guile kawa larceny loko meevax mit-scheme mosh racket sagittarius skint stklos tr7 ypsilon', description: '')
-        //string(name: 'LIBRARIES', defaultValue: 'ctrf mouth string url-encoding', description: '')
-        string(name: 'LIBRARIES', defaultValue: 'string', description: '')
+        string(name: 'LIBRARIES', defaultValue: 'ctrf mouth string url-encoding leb128', description: '')
     }
 
     stages {
diff --git a/Makefile b/Makefile
index 9dd0fb3..a605579 100644
--- a/Makefile
+++ b/Makefile
@@ -36,7 +36,7 @@ logs:
 ${VENV}:
 	scheme-venv ${SCHEME} ${RNRS} ${VENV}
 	if [ "${RNRS}" = "r7rs" ]; then ${VENV}/bin/snow-chibi install --always-yes srfi.64; fi
-	if [ "${RNRS}" = "r7rs" ]; then ${VENV}/bin/snow-chibi install retropikzel.mouth; fi
+	if [ "${RNRS}" = "r7rs" ]; then ${VENV}/bin/snow-chibi install --always-yes retropikzel.mouth; fi
 	if [ "${RNRS}" = "r7rs" ]; then ${VENV}/bin/snow-chibi install --always-yes retropikzel.ctrf; fi
 	if [ "${SCHEME}-${RNRS}" = "mosh-r7rs" ]; then ${VENV}/bin/snow-chibi install --always-yes srfi.64; fi
 	if [ "${SCHEME}" = "chezscheme" ]; then ${VENV}/bin/akku install akku-r7rs chez-srfi; fi