diff --git a/php7.1/apache/Dockerfile b/php7.1/apache/Dockerfile
index 2f36787..7bb3cab 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-5.1.13; \
+	pecl install APCu-5.1.15; \
 	pecl install memcached-3.0.4; \
 	pecl install redis-4.2.0; \
 	\
diff --git a/php7.1/fpm-alpine/Dockerfile b/php7.1/fpm-alpine/Dockerfile
index e68b468..3524578 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-5.1.13; \
+	pecl install APCu-5.1.15; \
 	pecl install memcached-3.0.4; \
 	pecl install redis-4.2.0; \
 	\
diff --git a/php7.1/fpm/Dockerfile b/php7.1/fpm/Dockerfile
index 6ddfc28..3220b86 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-5.1.13; \
+	pecl install APCu-5.1.15; \
 	pecl install memcached-3.0.4; \
 	pecl install redis-4.2.0; \
 	\
diff --git a/php7.2/apache/Dockerfile b/php7.2/apache/Dockerfile
index ddfd993..80f6aa7 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-5.1.13; \
+	pecl install APCu-5.1.15; \
 	pecl install memcached-3.0.4; \
 	pecl install redis-4.2.0; \
 	\
diff --git a/php7.2/fpm-alpine/Dockerfile b/php7.2/fpm-alpine/Dockerfile
index 4965ed6..72d4ee4 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-5.1.13; \
+	pecl install APCu-5.1.15; \
 	pecl install memcached-3.0.4; \
 	pecl install redis-4.2.0; \
 	\
diff --git a/php7.2/fpm/Dockerfile b/php7.2/fpm/Dockerfile
index bcdc49f..628d1bf 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-5.1.13; \
+	pecl install APCu-5.1.15; \
 	pecl install memcached-3.0.4; \
 	pecl install redis-4.2.0; \
 	\
diff --git a/php7.3/apache/Dockerfile b/php7.3/apache/Dockerfile
index 89ac06e..9733a24 100644
--- a/php7.3/apache/Dockerfile
+++ b/php7.3/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-5.1.13; \
+	pecl install APCu-5.1.15; \
 	pecl install memcached-3.0.4; \
 	pecl install redis-4.2.0; \
 	\
diff --git a/php7.3/fpm-alpine/Dockerfile b/php7.3/fpm-alpine/Dockerfile
index 7454b84..43aa9b4 100644
--- a/php7.3/fpm-alpine/Dockerfile
+++ b/php7.3/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-5.1.13; \
+	pecl install APCu-5.1.15; \
 	pecl install memcached-3.0.4; \
 	pecl install redis-4.2.0; \
 	\
diff --git a/php7.3/fpm/Dockerfile b/php7.3/fpm/Dockerfile
index c05922e..c4f6006 100644
--- a/php7.3/fpm/Dockerfile
+++ b/php7.3/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-5.1.13; \
+	pecl install APCu-5.1.15; \
 	pecl install memcached-3.0.4; \
 	pecl install redis-4.2.0; \
 	\
diff --git a/update.sh b/update.sh
index eecaa9a..a778ad3 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]='5.1.13'
+	[php7-APCu]='5.1.15'
 	[php7-memcached]='3.0.4'
 	[php7-redis]='4.2.0'
 )