diff --git a/.gitignore b/.gitignore
index cb080be2..b6b8b3fa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,7 +2,6 @@
 
 # use yarn by default, so ignore npm
 package-lock.json
-npm-shrinkwrap.json
 
 # never checkin npm config
 .npmrc
@@ -33,6 +32,8 @@ node_modules
 # --
 # put files here you don't want cleaned with sf-clean
 
+npm-shrinkwrap.json
+
 # os specific files
 .DS_Store
 .idea
diff --git a/package.json b/package.json
index cd285d61..27dccc27 100644
--- a/package.json
+++ b/package.json
@@ -124,7 +124,7 @@
     "pack:tarballs": "oclif pack:tarballs",
     "pack:verify": "sf-release cli:tarballs:verify --cli sf --windows-username-buffer 36",
     "pack:win": "oclif pack:win",
-    "postpack": "rm -f oclif.manifest.json",
+    "postpack": "rm -f oclif.manifest.json npm-shrinkwrap.json",
     "posttest": "yarn test:deprecation-policy",
     "prepack": "sf-prepack",
     "prepare": "sf-install && yarn compile && yarn lint",