Separate tasks for updates that shouldn't/should break things.

Makefile

@@ -14,7 +14,7 @@ else
   ESC_DOLLAR = \$$
 endif
 
-npgoals := clean cleanrel cleanweb cleanfull withtests tag $(foreach i,1 2 3 4,bump$(i)) beta stable web update
+npgoals := clean cleanrel cleanweb cleanfull withtests tag $(foreach i,1 2 3 4,bump$(i)) beta stable web update updatehard
 ifneq "$(filter $(npgoals),$(MAKECMDGOALS))" ""
 .NOTPARALLEL :
 endif
@@ -322,3 +322,7 @@ web : index.html distready
 update :
 	npm install --save-dev $(shell node tools/unpinned.js)
 	npm shrinkwrap --dev
+
+updatehard :
+	npm install --save-dev $(shell node tools/unpinned.js latest)
+	npm shrinkwrap --dev

tools/unpinned.js

@@ -6,6 +6,6 @@ console.log(
   Object.keys(pkg.devDependencies).filter(
     name => /^\^/.test(pkg.devDependencies[name])
   ).map(
-    name => `${name}@latest`
+    name => `${name}@${process.argv[2] || pkg.devDependencies[name]}`
   ).join(' ')
 );