diff --git a/php7.1/apache/Dockerfile b/php7.1/apache/Dockerfile
index 273b8d6..8923971 100644
--- a/php7.1/apache/Dockerfile
+++ b/php7.1/apache/Dockerfile
@@ -39,7 +39,7 @@ RUN set -ex; \
 	; \
 	\
 # pecl will claim success even if one install fails, so we need to perform each install separately
-	pecl install APCu-5.1.15; \
+	pecl install APCu-5.1.16; \
 	pecl install memcached-3.1.2; \
 	pecl install redis-4.2.0; \
 	\
diff --git a/php7.1/fpm-alpine/Dockerfile b/php7.1/fpm-alpine/Dockerfile
index 82dfed8..32d4c73 100644
--- a/php7.1/fpm-alpine/Dockerfile
+++ b/php7.1/fpm-alpine/Dockerfile
@@ -39,7 +39,7 @@ RUN set -ex; \
 	; \
 	\
 # pecl will claim success even if one install fails, so we need to perform each install separately
-	pecl install APCu-5.1.15; \
+	pecl install APCu-5.1.16; \
 	pecl install memcached-3.1.2; \
 	pecl install redis-4.2.0; \
 	\
diff --git a/php7.1/fpm/Dockerfile b/php7.1/fpm/Dockerfile
index 4cd732e..82c5a58 100644
--- a/php7.1/fpm/Dockerfile
+++ b/php7.1/fpm/Dockerfile
@@ -36,7 +36,7 @@ RUN set -ex; \
 	; \
 	\
 # pecl will claim success even if one install fails, so we need to perform each install separately
-	pecl install APCu-5.1.15; \
+	pecl install APCu-5.1.16; \
 	pecl install memcached-3.1.2; \
 	pecl install redis-4.2.0; \
 	\
diff --git a/php7.2/apache/Dockerfile b/php7.2/apache/Dockerfile
index 29bc7e4..4c4f263 100644
--- a/php7.2/apache/Dockerfile
+++ b/php7.2/apache/Dockerfile
@@ -37,7 +37,7 @@ RUN set -ex; \
 	; \
 	\
 # pecl will claim success even if one install fails, so we need to perform each install separately
-	pecl install APCu-5.1.15; \
+	pecl install APCu-5.1.16; \
 	pecl install memcached-3.1.2; \
 	pecl install redis-4.2.0; \
 	\
diff --git a/php7.2/fpm-alpine/Dockerfile b/php7.2/fpm-alpine/Dockerfile
index 57a2378..a42df03 100644
--- a/php7.2/fpm-alpine/Dockerfile
+++ b/php7.2/fpm-alpine/Dockerfile
@@ -37,7 +37,7 @@ RUN set -ex; \
 	; \
 	\
 # pecl will claim success even if one install fails, so we need to perform each install separately
-	pecl install APCu-5.1.15; \
+	pecl install APCu-5.1.16; \
 	pecl install memcached-3.1.2; \
 	pecl install redis-4.2.0; \
 	\
diff --git a/php7.2/fpm/Dockerfile b/php7.2/fpm/Dockerfile
index 4354940..e99c7f1 100644
--- a/php7.2/fpm/Dockerfile
+++ b/php7.2/fpm/Dockerfile
@@ -34,7 +34,7 @@ RUN set -ex; \
 	; \
 	\
 # pecl will claim success even if one install fails, so we need to perform each install separately
-	pecl install APCu-5.1.15; \
+	pecl install APCu-5.1.16; \
 	pecl install memcached-3.1.2; \
 	pecl install redis-4.2.0; \
 	\
diff --git a/php7.3/apache/Dockerfile b/php7.3/apache/Dockerfile
index 212614c..a0ecb51 100644
--- a/php7.3/apache/Dockerfile
+++ b/php7.3/apache/Dockerfile
@@ -38,7 +38,7 @@ RUN set -ex; \
 	; \
 	\
 # pecl will claim success even if one install fails, so we need to perform each install separately
-	pecl install APCu-5.1.15; \
+	pecl install APCu-5.1.16; \
 	pecl install memcached-3.1.2; \
 	pecl install redis-4.2.0; \
 	\
diff --git a/php7.3/fpm-alpine/Dockerfile b/php7.3/fpm-alpine/Dockerfile
index 169a5ba..0ccd730 100644
--- a/php7.3/fpm-alpine/Dockerfile
+++ b/php7.3/fpm-alpine/Dockerfile
@@ -38,7 +38,7 @@ RUN set -ex; \
 	; \
 	\
 # pecl will claim success even if one install fails, so we need to perform each install separately
-	pecl install APCu-5.1.15; \
+	pecl install APCu-5.1.16; \
 	pecl install memcached-3.1.2; \
 	pecl install redis-4.2.0; \
 	\
diff --git a/php7.3/fpm/Dockerfile b/php7.3/fpm/Dockerfile
index c913055..ac5d281 100644
--- a/php7.3/fpm/Dockerfile
+++ b/php7.3/fpm/Dockerfile
@@ -35,7 +35,7 @@ RUN set -ex; \
 	; \
 	\
 # pecl will claim success even if one install fails, so we need to perform each install separately
-	pecl install APCu-5.1.15; \
+	pecl install APCu-5.1.16; \
 	pecl install memcached-3.1.2; \
 	pecl install redis-4.2.0; \
 	\
diff --git a/update.sh b/update.sh
index 20f34f2..b3d734d 100755
--- a/update.sh
+++ b/update.sh
@@ -32,7 +32,7 @@ declare -A pecl_versions=(
 	[php5-APCu]='4.0.11'
 	[php5-memcached]='2.2.0'
 	[php5-redis]='4.2.0'
-	[php7-APCu]='5.1.15'
+	[php7-APCu]='5.1.16'
 	[php7-memcached]='3.1.2'
 	[php7-redis]='4.2.0'
 )