diff --git a/.github/workflows/clippy.yml b/.github/workflows/clippy.yml
index fac2c9971..b99213011 100644
--- a/.github/workflows/clippy.yml
+++ b/.github/workflows/clippy.yml
@@ -25,6 +25,7 @@ env:
   CARGO_TARGET_DIR: '${{ github.workspace }}/target'
   NO_FMT_TEST: 1
   CARGO_INCREMENTAL: 0
+  CARGO_UNSTABLE_SPARSE_REGISTRY: true
 
 jobs:
   base:
diff --git a/.github/workflows/clippy_bors.yml b/.github/workflows/clippy_bors.yml
index 30607af49..6448b2d40 100644
--- a/.github/workflows/clippy_bors.yml
+++ b/.github/workflows/clippy_bors.yml
@@ -11,6 +11,7 @@ env:
   CARGO_TARGET_DIR: '${{ github.workspace }}/target'
   NO_FMT_TEST: 1
   CARGO_INCREMENTAL: 0
+  CARGO_UNSTABLE_SPARSE_REGISTRY: true
 
 defaults:
   run:
diff --git a/.github/workflows/clippy_dev.yml b/.github/workflows/clippy_dev.yml
index 22051093c..14f20212a 100644
--- a/.github/workflows/clippy_dev.yml
+++ b/.github/workflows/clippy_dev.yml
@@ -15,6 +15,8 @@ on:
 
 env:
   RUST_BACKTRACE: 1
+  CARGO_INCREMENTAL: 0
+  CARGO_UNSTABLE_SPARSE_REGISTRY: true
 
 jobs:
   clippy_dev: