diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 93fd2fa4..44edc0a6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -116,9 +116,8 @@ jobs:
     - name: Build nghttp3
       if: matrix.http3 == 'http3'
       run: |
-        git clone https://github.com/ngtcp2/nghttp3
+        git clone --depth 1 -b v0.2.0 https://github.com/ngtcp2/nghttp3
         cd nghttp3
-        git checkout 74a222fe0c89b7202bcdaf6ef27a232edffc85e3
         autoreconf -i
         ./configure --prefix=$PWD/build --enable-lib-only
         make -j$(nproc) check
@@ -126,7 +125,7 @@ jobs:
     - name: Build ngtcp2
       if: matrix.http3 == 'http3'
       run: |
-        git clone --depth 1 -b v0.1.0 https://github.com/ngtcp2/ngtcp2
+        git clone --depth 1 -b v0.2.0 https://github.com/ngtcp2/ngtcp2
         cd ngtcp2
         autoreconf -i
         ./configure --prefix=$PWD/build --enable-lib-only PKG_CONFIG_PATH="../openssl/build/lib/pkgconfig"
diff --git a/README.rst b/README.rst
index 7b4d0e4f..47a05086 100644
--- a/README.rst
+++ b/README.rst
@@ -366,9 +366,8 @@ Build nghttp3:
 
 .. code-block:: text
 
-   $ git clone https://github.com/ngtcp2/nghttp3
+   $ git clone --depth 1 -b v0.2.0 https://github.com/ngtcp2/nghttp3
    $ cd nghttp3
-   $ git checkout 74a222fe0c89b7202bcdaf6ef27a232edffc85e3
    $ autoreconf -i
    $ ./configure --prefix=$PWD/build --enable-lib-only
    $ make -j$(nproc)
@@ -379,7 +378,7 @@ Build ngtcp2:
 
 .. code-block:: text
 
-   $ git clone --depth 1 -b v0.1.0 https://github.com/ngtcp2/ngtcp2
+   $ git clone --depth 1 -b v0.2.0 https://github.com/ngtcp2/ngtcp2
    $ cd ngtcp2
    $ autoreconf -i
    $ ./configure --prefix=$PWD/build --enable-lib-only \
diff --git a/configure.ac b/configure.ac
index 06f4ae71..7ef37338 100644
--- a/configure.ac
+++ b/configure.ac
@@ -525,7 +525,7 @@ fi
 # ngtcp2 (for src)
 have_libngtcp2=no
 if test "x${request_libngtcp2}" != "xno"; then
-  PKG_CHECK_MODULES([LIBNGTCP2], [libngtcp2 >= 0.1.0], [have_libngtcp2=yes],
+  PKG_CHECK_MODULES([LIBNGTCP2], [libngtcp2 >= 0.2.0], [have_libngtcp2=yes],
                     [have_libngtcp2=no])
   if test "x${have_libngtcp2}" = "xno"; then
     AC_MSG_NOTICE($LIBNGTCP2_PKG_ERRORS)
@@ -542,7 +542,7 @@ have_libngtcp2_crypto_openssl=no
 if test "x${have_ssl_is_quic}" = "xyes" &&
    test "x${request_libngtcp2}" != "xno"; then
   PKG_CHECK_MODULES([LIBNGTCP2_CRYPTO_OPENSSL],
-                    [libngtcp2_crypto_openssl >= 0.0.0],
+                    [libngtcp2_crypto_openssl >= 0.2.0],
                     [have_libngtcp2_crypto_openssl=yes],
                     [have_libngtcp2_crypto_openssl=no])
   if test "x${have_libngtcp2_crypto_openssl}" = "xno"; then
@@ -584,7 +584,7 @@ fi
 # nghttp3 (for src)
 have_libnghttp3=no
 if test "x${request_libnghttp3}" != "xno"; then
-  PKG_CHECK_MODULES([LIBNGHTTP3], [libnghttp3 >= 0.1.0], [have_libnghttp3=yes],
+  PKG_CHECK_MODULES([LIBNGHTTP3], [libnghttp3 >= 0.2.0], [have_libnghttp3=yes],
                     [have_libnghttp3=no])
   if test "x${have_libnghttp3}" = "xno"; then
     AC_MSG_NOTICE($LIBNGHTTP3_PKG_ERRORS)