diff --git a/.github/workflows/http3-linux.yml b/.github/workflows/http3-linux.yml
index 27f251432f..30421d2284 100644
--- a/.github/workflows/http3-linux.yml
+++ b/.github/workflows/http3-linux.yml
@@ -230,7 +230,7 @@ jobs:
             --enable-lib-only --with-openssl --with-gnutls --with-wolfssl
           make install
           # fix for ngtcp2 1.14.0
-          sed -i.bak 's/^Requires: /Requires.private/g' "$PWD"/build/lib/pkgconfig/libngtcp2_crypto_gnutls.pc
+          sed -i.bak 's/^Requires:/Requires.private:/g' "$PWD"/build/lib/pkgconfig/libngtcp2_crypto_gnutls.pc
 
       - name: 'build nghttp2'
         if: ${{ steps.cache-nghttp2.outputs.cache-hit != 'true' }}
@@ -470,7 +470,7 @@ jobs:
           MATRIX_PKG_CONFIG_PATH: '${{ matrix.build.PKG_CONFIG_PATH }}'
         run: |
           #sed -i.bak -E 's/^Requires: .+//g' /home/runner/ngtcp2/build/lib/pkgconfig/libngtcp2_crypto_gnutls.pc
-          sed -i.bak 's/^Requires: /Requires.private/g' /home/runner/ngtcp2/build/lib/pkgconfig/libngtcp2_crypto_gnutls.pc
+          sed -i.bak 's/^Requires:/Requires.private:/g' "$PWD"/build/lib/pkgconfig/libngtcp2_crypto_gnutls.pc
           cat /home/runner/ngtcp2/build/lib/pkgconfig/libngtcp2_crypto_gnutls.pc
           [ -n "${MATRIX_PKG_CONFIG_PATH}" ] && export PKG_CONFIG_PATH="${MATRIX_PKG_CONFIG_PATH}"
           if [ "${MATRIX_BUILD}" = 'cmake' ]; then