diff --git a/lake-manifest.json b/lake-manifest.json
index 1f9cc6f..a1df85f 100644
--- a/lake-manifest.json
+++ b/lake-manifest.json
@@ -13,10 +13,10 @@
   {"url": "https://github.com/leanprover-community/lean-auto.git",
    "type": "git",
    "subDir": null,
-   "rev": "62faa00e45ffcf1871ca23bf4dcb10d918c0d679",
+   "rev": "df285d9950123b2799ea71d9772d1a806f7d1e7a",
    "name": "auto",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "62faa00e45ffcf1871ca23bf4dcb10d918c0d679",
+   "inputRev": "df285d9950123b2799ea71d9772d1a806f7d1e7a",
    "inherited": false,
    "configFile": "lakefile.lean"}],
  "name": "Duper",
diff --git a/lakefile.lean b/lakefile.lean
index eee8dd5..b6e5c49 100644
--- a/lakefile.lean
+++ b/lakefile.lean
@@ -2,7 +2,7 @@ import Lake
 
 open Lake DSL
 
-require auto from git "https://github.com/leanprover-community/lean-auto.git"@"62faa00e45ffcf1871ca23bf4dcb10d918c0d679"
+require auto from git "https://github.com/leanprover-community/lean-auto.git"@"df285d9950123b2799ea71d9772d1a806f7d1e7a"
 
 package Duper {
   precompileModules := true