diff --git a/php-80/Dockerfile b/php-80/Dockerfile
index bb738dd..59bf27a 100644
--- a/php-80/Dockerfile
+++ b/php-80/Dockerfile
@@ -206,7 +206,7 @@ RUN cmake  --build . --target install
 #   - libxml2
 # Needed by:
 #   - curl
-ENV VERSION_NGHTTP2=1.55.1
+ENV VERSION_NGHTTP2=1.56.0
 ENV NGHTTP2_BUILD_DIR=${BUILD_DIR}/nghttp2
 RUN set -xe; \
     mkdir -p ${NGHTTP2_BUILD_DIR}; \
diff --git a/php-81/Dockerfile b/php-81/Dockerfile
index 7579921..2355ae2 100644
--- a/php-81/Dockerfile
+++ b/php-81/Dockerfile
@@ -207,7 +207,7 @@ RUN cmake  --build . --target install
 #   - libxml2
 # Needed by:
 #   - curl
-ENV VERSION_NGHTTP2=1.55.1
+ENV VERSION_NGHTTP2=1.56.0
 ENV NGHTTP2_BUILD_DIR=${BUILD_DIR}/nghttp2
 RUN set -xe; \
     mkdir -p ${NGHTTP2_BUILD_DIR}; \
diff --git a/php-82/Dockerfile b/php-82/Dockerfile
index 9b9dc04..fa2e8a1 100644
--- a/php-82/Dockerfile
+++ b/php-82/Dockerfile
@@ -207,7 +207,7 @@ RUN cmake  --build . --target install
 #   - libxml2
 # Needed by:
 #   - curl
-ENV VERSION_NGHTTP2=1.55.1
+ENV VERSION_NGHTTP2=1.56.0
 ENV NGHTTP2_BUILD_DIR=${BUILD_DIR}/nghttp2
 RUN set -xe; \
     mkdir -p ${NGHTTP2_BUILD_DIR}; \
diff --git a/php-83/Dockerfile b/php-83/Dockerfile
index 71e4684..af9d7a3 100644
--- a/php-83/Dockerfile
+++ b/php-83/Dockerfile
@@ -208,7 +208,7 @@ RUN cmake  --build . --target install
 #   - libxml2
 # Needed by:
 #   - curl
-ENV VERSION_NGHTTP2=1.55.1
+ENV VERSION_NGHTTP2=1.56.0
 ENV NGHTTP2_BUILD_DIR=${BUILD_DIR}/nghttp2
 RUN set -xe; \
     mkdir -p ${NGHTTP2_BUILD_DIR}; \