diff --git a/koch.nim b/koch.nim
index 3b9f08557b..79ca54c811 100644
--- a/koch.nim
+++ b/koch.nim
@@ -186,7 +186,7 @@ proc bundleWinTools(args: string) =
 
 proc bundleChecksums(latest: bool) =
   let commit = if latest: "HEAD" else: ChecksumsStableCommit
-  cloneDependency(distDir, "https://github.com/nim-lang/checksums.git", commit)
+  cloneDependency(distDir, "https://github.com/nim-lang/checksums.git", commit, allowBundled = true)
 
 proc zip(latest: bool; args: string) =
   bundleChecksums(latest)
diff --git a/testament/important_packages.nim b/testament/important_packages.nim
index 2fe012b26d..c77acd99b0 100644
--- a/testament/important_packages.nim
+++ b/testament/important_packages.nim
@@ -50,6 +50,7 @@ pkg "bump", "nim c --gc:arc --path:. -r tests/tbump.nim", "https://github.com/di
 pkg "c2nim", "nim c testsuite/tester.nim"
 pkg "cascade"
 pkg "cello", url = "https://github.com/nim-lang/cello", useHead = true
+pkg "checksums"
 pkg "chroma"
 pkg "chronicles", "nim c -o:chr -r chronicles.nim", url = "https://github.com/nim-lang/nim-chronicles"
 pkg "chronos", "nim c -r -d:release tests/testall"