diff --git a/2020.09/apache/Dockerfile b/2020.09/apache/Dockerfile
index 4cf7bdb..9471bc1 100644
--- a/2020.09/apache/Dockerfile
+++ b/2020.09/apache/Dockerfile
@@ -71,7 +71,7 @@ RUN set -ex; \
     ; \
     \
 # pecl will claim success even if one install fails, so we need to perform each install separately
-    pecl install apcu-5.1.19; \
+    pecl install apcu-5.1.20; \
     pecl install memcached-3.1.5; \
     pecl install redis-5.3.3; \
     pecl install imagick-3.4.4; \
diff --git a/2020.09/fpm-alpine/Dockerfile b/2020.09/fpm-alpine/Dockerfile
index 7fa4588..89250d0 100644
--- a/2020.09/fpm-alpine/Dockerfile
+++ b/2020.09/fpm-alpine/Dockerfile
@@ -51,7 +51,7 @@ RUN set -ex; \
     ; \
     \
 # pecl will claim success even if one install fails, so we need to perform each install separately
-    pecl install APCu-5.1.19; \
+    pecl install APCu-5.1.20; \
     pecl install memcached-3.1.5; \
     pecl install redis-5.3.3; \
     pecl install imagick-3.4.4; \
diff --git a/2020.09/fpm/Dockerfile b/2020.09/fpm/Dockerfile
index a3573d2..5e2bd01 100644
--- a/2020.09/fpm/Dockerfile
+++ b/2020.09/fpm/Dockerfile
@@ -71,7 +71,7 @@ RUN set -ex; \
     ; \
     \
 # pecl will claim success even if one install fails, so we need to perform each install separately
-    pecl install apcu-5.1.19; \
+    pecl install apcu-5.1.20; \
     pecl install memcached-3.1.5; \
     pecl install redis-5.3.3; \
     pecl install imagick-3.4.4; \
diff --git a/2021.01/apache/Dockerfile b/2021.01/apache/Dockerfile
index 495528b..f2480fb 100644
--- a/2021.01/apache/Dockerfile
+++ b/2021.01/apache/Dockerfile
@@ -71,7 +71,7 @@ RUN set -ex; \
     ; \
     \
 # pecl will claim success even if one install fails, so we need to perform each install separately
-    pecl install apcu-5.1.19; \
+    pecl install apcu-5.1.20; \
     pecl install memcached-3.1.5; \
     pecl install redis-5.3.3; \
     pecl install imagick-3.4.4; \
diff --git a/2021.01/fpm-alpine/Dockerfile b/2021.01/fpm-alpine/Dockerfile
index e18be34..36e5b23 100644
--- a/2021.01/fpm-alpine/Dockerfile
+++ b/2021.01/fpm-alpine/Dockerfile
@@ -51,7 +51,7 @@ RUN set -ex; \
     ; \
     \
 # pecl will claim success even if one install fails, so we need to perform each install separately
-    pecl install APCu-5.1.19; \
+    pecl install APCu-5.1.20; \
     pecl install memcached-3.1.5; \
     pecl install redis-5.3.3; \
     pecl install imagick-3.4.4; \
diff --git a/2021.01/fpm/Dockerfile b/2021.01/fpm/Dockerfile
index efb6db0..e0b7098 100644
--- a/2021.01/fpm/Dockerfile
+++ b/2021.01/fpm/Dockerfile
@@ -71,7 +71,7 @@ RUN set -ex; \
     ; \
     \
 # pecl will claim success even if one install fails, so we need to perform each install separately
-    pecl install apcu-5.1.19; \
+    pecl install apcu-5.1.20; \
     pecl install memcached-3.1.5; \
     pecl install redis-5.3.3; \
     pecl install imagick-3.4.4; \
diff --git a/2021.03-dev/apache/Dockerfile b/2021.03-dev/apache/Dockerfile
index b95df0b..221b961 100644
--- a/2021.03-dev/apache/Dockerfile
+++ b/2021.03-dev/apache/Dockerfile
@@ -71,7 +71,7 @@ RUN set -ex; \
     ; \
     \
 # pecl will claim success even if one install fails, so we need to perform each install separately
-    pecl install apcu-5.1.19; \
+    pecl install apcu-5.1.20; \
     pecl install memcached-3.1.5; \
     pecl install redis-5.3.3; \
     pecl install imagick-3.4.4; \
diff --git a/2021.03-dev/fpm-alpine/Dockerfile b/2021.03-dev/fpm-alpine/Dockerfile
index 9e5f947..d55ed6e 100644
--- a/2021.03-dev/fpm-alpine/Dockerfile
+++ b/2021.03-dev/fpm-alpine/Dockerfile
@@ -51,7 +51,7 @@ RUN set -ex; \
     ; \
     \
 # pecl will claim success even if one install fails, so we need to perform each install separately
-    pecl install APCu-5.1.19; \
+    pecl install APCu-5.1.20; \
     pecl install memcached-3.1.5; \
     pecl install redis-5.3.3; \
     pecl install imagick-3.4.4; \
diff --git a/2021.03-dev/fpm/Dockerfile b/2021.03-dev/fpm/Dockerfile
index e452877..76374c7 100644
--- a/2021.03-dev/fpm/Dockerfile
+++ b/2021.03-dev/fpm/Dockerfile
@@ -71,7 +71,7 @@ RUN set -ex; \
     ; \
     \
 # pecl will claim success even if one install fails, so we need to perform each install separately
-    pecl install apcu-5.1.19; \
+    pecl install apcu-5.1.20; \
     pecl install memcached-3.1.5; \
     pecl install redis-5.3.3; \
     pecl install imagick-3.4.4; \
diff --git a/2021.03-rc/apache/Dockerfile b/2021.03-rc/apache/Dockerfile
index be1319c..b5a4af3 100644
--- a/2021.03-rc/apache/Dockerfile
+++ b/2021.03-rc/apache/Dockerfile
@@ -71,7 +71,7 @@ RUN set -ex; \
     ; \
     \
 # pecl will claim success even if one install fails, so we need to perform each install separately
-    pecl install apcu-5.1.19; \
+    pecl install apcu-5.1.20; \
     pecl install memcached-3.1.5; \
     pecl install redis-5.3.3; \
     pecl install imagick-3.4.4; \
diff --git a/2021.03-rc/fpm-alpine/Dockerfile b/2021.03-rc/fpm-alpine/Dockerfile
index 68bc59a..6a048d3 100644
--- a/2021.03-rc/fpm-alpine/Dockerfile
+++ b/2021.03-rc/fpm-alpine/Dockerfile
@@ -51,7 +51,7 @@ RUN set -ex; \
     ; \
     \
 # pecl will claim success even if one install fails, so we need to perform each install separately
-    pecl install APCu-5.1.19; \
+    pecl install APCu-5.1.20; \
     pecl install memcached-3.1.5; \
     pecl install redis-5.3.3; \
     pecl install imagick-3.4.4; \
diff --git a/2021.03-rc/fpm/Dockerfile b/2021.03-rc/fpm/Dockerfile
index 7e7de78..3d30546 100644
--- a/2021.03-rc/fpm/Dockerfile
+++ b/2021.03-rc/fpm/Dockerfile
@@ -71,7 +71,7 @@ RUN set -ex; \
     ; \
     \
 # pecl will claim success even if one install fails, so we need to perform each install separately
-    pecl install apcu-5.1.19; \
+    pecl install apcu-5.1.20; \
     pecl install memcached-3.1.5; \
     pecl install redis-5.3.3; \
     pecl install imagick-3.4.4; \