diff --git a/.github/renovate.json5 b/.github/renovate.json5
index 3f5933b4f97..ea5efe130e9 100644
--- a/.github/renovate.json5
+++ b/.github/renovate.json5
@@ -8,6 +8,8 @@
   ignorePaths: [
     '**/tests/**',
   ],
+  // For why we ignore, see https://github.com/bytecodealliance/rustix/issues/1496
+  ignoreDeps: ['libc'],
   customManagers: [
     {
       customType: 'regex',
diff --git a/Cargo.lock b/Cargo.lock
index ccbdde82f86..7c7649f62b3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2788,9 +2788,9 @@ checksum = "884e2677b40cc8c339eaefcb701c32ef1fd2493d71118dc0ca4b6a736c93bd67"
 
 [[package]]
 name = "libc"
-version = "0.2.175"
+version = "0.2.174"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a82ae493e598baaea5209805c49bbf2ea7de956d50d7da0da1164f9c6d28543"
+checksum = "1171693293099992e19cddea4e8b849964e9846f4acee11b3948bcc337be8776"
 
 [[package]]
 name = "libgit2-sys"