diff --git a/.github/workflows/http3-linux.yml b/.github/workflows/http3-linux.yml
index e996a68e26..157bf67583 100644
--- a/.github/workflows/http3-linux.yml
+++ b/.github/workflows/http3-linux.yml
@@ -58,7 +58,7 @@ env:
   # renovate: datasource=github-tags depName=ngtcp2/nghttp3 versioning=semver registryUrl=https://github.com
   NGHTTP3_VERSION: 1.18.0
   # renovate: datasource=github-tags depName=ngtcp2/ngtcp2 versioning=semver registryUrl=https://github.com
-  NGTCP2_VERSION: 1.24.0
+  NGTCP2_VERSION: 1.25.0
   # renovate: datasource=github-tags depName=nghttp2/nghttp2 versioning=semver registryUrl=https://github.com
   NGHTTP2_VERSION: 1.69.0
   # no tagged releases