diff --git a/13.0/apache/Dockerfile b/13.0/apache/Dockerfile
index ef544a5..ce8338c 100644
--- a/13.0/apache/Dockerfile
+++ b/13.0/apache/Dockerfile
@@ -55,7 +55,7 @@ RUN set -ex; \
 # pecl will claim success even if one install fails, so we need to perform each install separately
     pecl install APCu-5.1.17; \
     pecl install memcached-3.1.3; \
-    pecl install redis-4.2.0; \
+    pecl install redis-4.3.0; \
     pecl install imagick-3.4.3; \
     \
     docker-php-ext-enable \
diff --git a/13.0/fpm-alpine/Dockerfile b/13.0/fpm-alpine/Dockerfile
index 191c0b7..cebe4a5 100644
--- a/13.0/fpm-alpine/Dockerfile
+++ b/13.0/fpm-alpine/Dockerfile
@@ -49,7 +49,7 @@ RUN set -ex; \
 # pecl will claim success even if one install fails, so we need to perform each install separately
     pecl install APCu-5.1.17; \
     pecl install memcached-3.1.3; \
-    pecl install redis-4.2.0; \
+    pecl install redis-4.3.0; \
     pecl install imagick-3.4.3; \
     \
     docker-php-ext-enable \
diff --git a/13.0/fpm/Dockerfile b/13.0/fpm/Dockerfile
index fa2d98e..af59879 100644
--- a/13.0/fpm/Dockerfile
+++ b/13.0/fpm/Dockerfile
@@ -55,7 +55,7 @@ RUN set -ex; \
 # pecl will claim success even if one install fails, so we need to perform each install separately
     pecl install APCu-5.1.17; \
     pecl install memcached-3.1.3; \
-    pecl install redis-4.2.0; \
+    pecl install redis-4.3.0; \
     pecl install imagick-3.4.3; \
     \
     docker-php-ext-enable \
diff --git a/14.0/apache/Dockerfile b/14.0/apache/Dockerfile
index 38ce18e..7d9d12d 100644
--- a/14.0/apache/Dockerfile
+++ b/14.0/apache/Dockerfile
@@ -55,7 +55,7 @@ RUN set -ex; \
 # pecl will claim success even if one install fails, so we need to perform each install separately
     pecl install APCu-5.1.17; \
     pecl install memcached-3.1.3; \
-    pecl install redis-4.2.0; \
+    pecl install redis-4.3.0; \
     pecl install imagick-3.4.3; \
     \
     docker-php-ext-enable \
diff --git a/14.0/fpm-alpine/Dockerfile b/14.0/fpm-alpine/Dockerfile
index d1befe2..8e83be7 100644
--- a/14.0/fpm-alpine/Dockerfile
+++ b/14.0/fpm-alpine/Dockerfile
@@ -49,7 +49,7 @@ RUN set -ex; \
 # pecl will claim success even if one install fails, so we need to perform each install separately
     pecl install APCu-5.1.17; \
     pecl install memcached-3.1.3; \
-    pecl install redis-4.2.0; \
+    pecl install redis-4.3.0; \
     pecl install imagick-3.4.3; \
     \
     docker-php-ext-enable \
diff --git a/14.0/fpm/Dockerfile b/14.0/fpm/Dockerfile
index b95255b..0b61d90 100644
--- a/14.0/fpm/Dockerfile
+++ b/14.0/fpm/Dockerfile
@@ -55,7 +55,7 @@ RUN set -ex; \
 # pecl will claim success even if one install fails, so we need to perform each install separately
     pecl install APCu-5.1.17; \
     pecl install memcached-3.1.3; \
-    pecl install redis-4.2.0; \
+    pecl install redis-4.3.0; \
     pecl install imagick-3.4.3; \
     \
     docker-php-ext-enable \
diff --git a/15.0/apache/Dockerfile b/15.0/apache/Dockerfile
index 86baeb8..4c2c5de 100644
--- a/15.0/apache/Dockerfile
+++ b/15.0/apache/Dockerfile
@@ -55,7 +55,7 @@ RUN set -ex; \
 # pecl will claim success even if one install fails, so we need to perform each install separately
     pecl install APCu-5.1.17; \
     pecl install memcached-3.1.3; \
-    pecl install redis-4.2.0; \
+    pecl install redis-4.3.0; \
     pecl install imagick-3.4.3; \
     \
     docker-php-ext-enable \
diff --git a/15.0/fpm-alpine/Dockerfile b/15.0/fpm-alpine/Dockerfile
index 9ce02ba..dc2a861 100644
--- a/15.0/fpm-alpine/Dockerfile
+++ b/15.0/fpm-alpine/Dockerfile
@@ -49,7 +49,7 @@ RUN set -ex; \
 # pecl will claim success even if one install fails, so we need to perform each install separately
     pecl install APCu-5.1.17; \
     pecl install memcached-3.1.3; \
-    pecl install redis-4.2.0; \
+    pecl install redis-4.3.0; \
     pecl install imagick-3.4.3; \
     \
     docker-php-ext-enable \
diff --git a/15.0/fpm/Dockerfile b/15.0/fpm/Dockerfile
index 70fa5ac..f9f7986 100644
--- a/15.0/fpm/Dockerfile
+++ b/15.0/fpm/Dockerfile
@@ -55,7 +55,7 @@ RUN set -ex; \
 # pecl will claim success even if one install fails, so we need to perform each install separately
     pecl install APCu-5.1.17; \
     pecl install memcached-3.1.3; \
-    pecl install redis-4.2.0; \
+    pecl install redis-4.3.0; \
     pecl install imagick-3.4.3; \
     \
     docker-php-ext-enable \
diff --git a/16.0-alpha/apache/Dockerfile b/16.0-alpha/apache/Dockerfile
index a2f7211..a06f4d1 100644
--- a/16.0-alpha/apache/Dockerfile
+++ b/16.0-alpha/apache/Dockerfile
@@ -55,7 +55,7 @@ RUN set -ex; \
 # pecl will claim success even if one install fails, so we need to perform each install separately
     pecl install APCu-5.1.17; \
     pecl install memcached-3.1.3; \
-    pecl install redis-4.2.0; \
+    pecl install redis-4.3.0; \
     pecl install imagick-3.4.3; \
     \
     docker-php-ext-enable \
diff --git a/16.0-alpha/fpm-alpine/Dockerfile b/16.0-alpha/fpm-alpine/Dockerfile
index 619910e..fdd2340 100644
--- a/16.0-alpha/fpm-alpine/Dockerfile
+++ b/16.0-alpha/fpm-alpine/Dockerfile
@@ -49,7 +49,7 @@ RUN set -ex; \
 # pecl will claim success even if one install fails, so we need to perform each install separately
     pecl install APCu-5.1.17; \
     pecl install memcached-3.1.3; \
-    pecl install redis-4.2.0; \
+    pecl install redis-4.3.0; \
     pecl install imagick-3.4.3; \
     \
     docker-php-ext-enable \
diff --git a/16.0-alpha/fpm/Dockerfile b/16.0-alpha/fpm/Dockerfile
index 26490a0..b9ff14e 100644
--- a/16.0-alpha/fpm/Dockerfile
+++ b/16.0-alpha/fpm/Dockerfile
@@ -55,7 +55,7 @@ RUN set -ex; \
 # pecl will claim success even if one install fails, so we need to perform each install separately
     pecl install APCu-5.1.17; \
     pecl install memcached-3.1.3; \
-    pecl install redis-4.2.0; \
+    pecl install redis-4.3.0; \
     pecl install imagick-3.4.3; \
     \
     docker-php-ext-enable \
diff --git a/update.sh b/update.sh
index 321c545..c6051c6 100755
--- a/update.sh
+++ b/update.sh
@@ -25,11 +25,47 @@ declare -A extras=(
 	[fpm-alpine]=''
 )
 
+apcu_version="$(
+	git ls-remote --tags https://github.com/krakjoe/apcu.git \
+		| cut -d/ -f3 \
+		| grep -vE -- '-rc|-b' \
+		| sed -E 's/^v//' \
+		| sort -V \
+		| tail -1
+)"
+
+memcached_version="$(
+	git ls-remote --tags https://github.com/php-memcached-dev/php-memcached.git \
+		| cut -d/ -f3 \
+		| grep -vE -- '-rc|-b' \
+		| sed -E 's/^[rv]//' \
+		| sort -V \
+		| tail -1
+)"
+
+redis_version="$(
+	git ls-remote --tags https://github.com/phpredis/phpredis.git \
+		| cut -d/ -f3 \
+		| grep -viE '[a-z]' \
+		| tr -d '^{}' \
+		| sort -V \
+		| tail -1
+)"
+
+imagick_version="$(
+	git ls-remote --tags https://github.com/mkoppanen/imagick.git \
+		| cut -d/ -f3 \
+		| grep -viE '[a-z]' \
+		| tr -d '^{}' \
+		| sort -V \
+		| tail -1
+)"
+
 declare -A pecl_versions=(
-	[APCu]='5.1.17'
-	[memcached]='3.1.3'
-	[redis]='4.2.0'
-	[imagick]='3.4.3'
+	[APCu]="$apcu_version"
+	[memcached]="$memcached_version"
+	[redis]="$redis_version"
+	[imagick]="$imagick_version"
 )
 
 variants=(