diff --git a/lake-manifest.json b/lake-manifest.json
index b268c8a..c25b57c 100644
--- a/lake-manifest.json
+++ b/lake-manifest.json
@@ -15,10 +15,10 @@
    "type": "git",
    "subDir": null,
    "scope": "",
-   "rev": "d3a77df997a5ad979864a85208d4f1abddff8ff8",
+   "rev": "ca7c5862bee2e62e019e6a1b70ce95612b6b6365",
    "name": "Duper",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "d3a77df997a5ad979864a85208d4f1abddff8ff8",
+   "inputRev": "ca7c5862bee2e62e019e6a1b70ce95612b6b6365",
    "inherited": false,
    "configFile": "lakefile.lean"},
   {"url": "https://github.com/leanprover-community/aesop",
diff --git a/lakefile.toml b/lakefile.toml
index 790fa8b..8e7d4a9 100644
--- a/lakefile.toml
+++ b/lakefile.toml
@@ -16,7 +16,7 @@ rev = "v4.32.0"
 [[require]]
 name = "«Duper»"
 git = "https://github.com/leanprover-community/duper.git"
-rev = "d3a77df997a5ad979864a85208d4f1abddff8ff8"
+rev = "ca7c5862bee2e62e019e6a1b70ce95612b6b6365"
 
 [[require]]
 name = "«Smt»"