diff --git a/.github/workflows/quiche-linux.yml b/.github/workflows/quiche-linux.yml
index 5c195b36ff..b5ff8b282b 100644
--- a/.github/workflows/quiche-linux.yml
+++ b/.github/workflows/quiche-linux.yml
@@ -55,7 +55,7 @@ env:
   # renovate: datasource=github-tags depName=nghttp2/nghttp2 versioning=semver registryUrl=https://github.com
   nghttp2-version: 1.62.0
   # renovate: datasource=github-tags depName=cloudflare/quiche versioning=semver registryUrl=https://github.com
-  quiche-version: 0.20.0
+  quiche-version: 0.21.0
   # renovate: datasource=github-tags depName=icing/mod_h2 versioning=semver registryUrl=https://github.com
   mod_h2-version: 2.0.27