diff --git a/Dockerfile-nts-alpine b/Dockerfile-nts-alpine
index b59ec8df..cde8b100 100644
--- a/Dockerfile-nts-alpine
+++ b/Dockerfile-nts-alpine
@@ -38,6 +38,9 @@ COPY --from=build-uv /uv.so /uv.so
 # Install docker help scripts
 COPY src/php/utils/docker/ /usr/local/bin/
 
+# ext-fibers install script
+COPY src/php/utils/install-fibers /usr/local/bin/
+
 COPY src/php/conf/ /usr/local/etc/php/conf.d/
 COPY src/php/cli/conf/*.ini /usr/local/etc/php/conf.d/
 
@@ -57,6 +60,8 @@ RUN EXTENSION_DIR=`php-config --extension-dir 2>/dev/null` && \
     && wget -q pear.php.net/go-pear.phar && php go-pear.phar \
     && docker-php-ext-install -j$(nproc) pcntl pgsql pdo pdo_pgsql bcmath zip gmp iconv opcache \
     && docker-php-ext-enable uv \
+    && install-fibers \
+    && rm -rf /usr/local/bin/install-fibers \
     && apk del $PHPIZE_DEPS \
     && wget -q -O - https://raw.githubusercontent.com/eficode/wait-for/master/wait-for > /bin/wait-for \
     && chmod +x /bin/wait-for \
diff --git a/Dockerfile-nts-debian b/Dockerfile-nts-debian
index 1fcf97ae..d425f569 100644
--- a/Dockerfile-nts-debian
+++ b/Dockerfile-nts-debian
@@ -41,6 +41,9 @@ RUN yes | apt-get upgrade curl libxml2 openssl
 # Install docker help scripts
 COPY src/php/utils/docker/debian/ /usr/local/bin/
 
+# ext-fibers install script
+COPY src/php/utils/install-fibers /usr/local/bin/
+
 COPY src/php/conf/ /usr/local/etc/php/conf.d/
 COPY src/php/cli/conf/*.ini /usr/local/etc/php/conf.d/
 
@@ -64,6 +67,8 @@ RUN EXTENSION_DIR=`php-config --extension-dir 2>/dev/null` && \
         $PHPIZE_DEPS \
     && docker-php-ext-install -j$(nproc) pcntl pgsql pdo pdo_pgsql bcmath zip gmp iconv \
     && docker-php-ext-enable uv \
+    && install-fibers \
+    && rm -rf /usr/local/bin/install-fibers \
     && wget -q -O - https://raw.githubusercontent.com/vishnubob/wait-for-it/master/wait-for-it.sh > /bin/wait-for \
     && yes | apt-get purge wget $PHPIZE_DEPS \
     && yes | apt-get install make \
diff --git a/Dockerfile-zts-alpine b/Dockerfile-zts-alpine
index 366b8bf3..19d1ffb0 100644
--- a/Dockerfile-zts-alpine
+++ b/Dockerfile-zts-alpine
@@ -38,6 +38,9 @@ COPY --from=build-uv /uv.so /uv.so
 # Install docker help scripts
 COPY src/php/utils/docker/alpine/ /usr/local/bin/
 
+# ext-fibers install script
+COPY src/php/utils/install-fibers /usr/local/bin/
+
 COPY src/php/conf/ /usr/local/etc/php/conf.d/
 COPY src/php/cli/conf/*.ini /usr/local/etc/php/conf.d/
 
@@ -63,6 +66,8 @@ RUN EXTENSION_DIR=`php-config --extension-dir 2>/dev/null` && \
     && pecl install parallel \
     && docker-php-ext-enable parallel \
     && docker-php-ext-enable uv \
+    && install-fibers \
+    && rm -rf /usr/local/bin/install-fibers \
     && apk del $PHPIZE_DEPS \
     && wget -q -O - https://raw.githubusercontent.com/eficode/wait-for/master/wait-for > /bin/wait-for \
     && chmod +x /bin/wait-for \
diff --git a/Dockerfile-zts-debian b/Dockerfile-zts-debian
index 95ab8199..cd3596cb 100644
--- a/Dockerfile-zts-debian
+++ b/Dockerfile-zts-debian
@@ -41,6 +41,9 @@ RUN yes | apt-get upgrade curl libxml2 openssl
 # Install docker help scripts
 COPY src/php/utils/docker/debian/ /usr/local/bin/
 
+# ext-fibers install script
+COPY src/php/utils/install-fibers /usr/local/bin/
+
 COPY src/php/conf/ /usr/local/etc/php/conf.d/
 COPY src/php/cli/conf/*.ini /usr/local/etc/php/conf.d/
 
@@ -66,6 +69,8 @@ RUN EXTENSION_DIR=`php-config --extension-dir 2>/dev/null` && \
     && pecl install parallel \
     && docker-php-ext-enable parallel \
     && docker-php-ext-enable uv \
+    && install-fibers \
+    && rm -rf /usr/local/bin/install-fibers \
     && wget -q -O - https://raw.githubusercontent.com/vishnubob/wait-for-it/master/wait-for-it.sh > /bin/wait-for \
     && chmod +x /bin/wait-for \
     && yes | apt-get purge wget $PHPIZE_DEPS \
diff --git a/src/php/utils/install-fibers b/src/php/utils/install-fibers
new file mode 100755
index 00000000..4532ef3b
--- /dev/null
+++ b/src/php/utils/install-fibers
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+set -xe
+
+if [ $(php -v | grep 8.0 | wc -l) != 0 ] ; then true ; else
+  git clone https://github.com/amphp/ext-fiber.git /usr/src/php/ext/fiber && \
+  cd /usr/src/php/ext/fiber && \
+  docker-php-source extract && \
+  docker-php-ext-install fiber && \
+  make test
+fi
+