diff --git a/2.5/alpine3.11/Dockerfile b/2.5/alpine3.11/Dockerfile
index 9707bb7738..9c077a2e84 100644
--- a/2.5/alpine3.11/Dockerfile
+++ b/2.5/alpine3.11/Dockerfile
@@ -41,6 +41,7 @@ RUN set -eux; \
 		ncurses-dev \
 		openssl \
 		openssl-dev \
+		patch \
 		procps \
 		readline-dev \
 		ruby \
diff --git a/2.5/alpine3.10/Dockerfile b/2.5/alpine3.12/Dockerfile
similarity index 99%
rename from 2.5/alpine3.10/Dockerfile
rename to 2.5/alpine3.12/Dockerfile
index 0b50fa1c06..4e72886b1c 100644
--- a/2.5/alpine3.10/Dockerfile
+++ b/2.5/alpine3.12/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.10
+FROM alpine:3.12
 
 RUN apk add --no-cache \
 		gmp-dev
@@ -41,6 +41,7 @@ RUN set -eux; \
 		ncurses-dev \
 		openssl \
 		openssl-dev \
+		patch \
 		procps \
 		readline-dev \
 		ruby \
diff --git a/2.6/alpine3.11/Dockerfile b/2.6/alpine3.11/Dockerfile
index 0fa1ca0569..5f78e80591 100644
--- a/2.6/alpine3.11/Dockerfile
+++ b/2.6/alpine3.11/Dockerfile
@@ -40,6 +40,7 @@ RUN set -eux; \
 		ncurses-dev \
 		openssl \
 		openssl-dev \
+		patch \
 		procps \
 		readline-dev \
 		ruby \
diff --git a/2.6/alpine3.10/Dockerfile b/2.6/alpine3.12/Dockerfile
similarity index 99%
rename from 2.6/alpine3.10/Dockerfile
rename to 2.6/alpine3.12/Dockerfile
index dda82a06f6..f59cd698ab 100644
--- a/2.6/alpine3.10/Dockerfile
+++ b/2.6/alpine3.12/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.10
+FROM alpine:3.12
 
 RUN apk add --no-cache \
 		gmp-dev
@@ -40,6 +40,7 @@ RUN set -eux; \
 		ncurses-dev \
 		openssl \
 		openssl-dev \
+		patch \
 		procps \
 		readline-dev \
 		ruby \
diff --git a/2.7/alpine3.11/Dockerfile b/2.7/alpine3.11/Dockerfile
index e075c99ded..0936248b6c 100644
--- a/2.7/alpine3.11/Dockerfile
+++ b/2.7/alpine3.11/Dockerfile
@@ -40,6 +40,7 @@ RUN set -eux; \
 		ncurses-dev \
 		openssl \
 		openssl-dev \
+		patch \
 		procps \
 		readline-dev \
 		ruby \
diff --git a/2.7/alpine3.10/Dockerfile b/2.7/alpine3.12/Dockerfile
similarity index 99%
rename from 2.7/alpine3.10/Dockerfile
rename to 2.7/alpine3.12/Dockerfile
index d237a1ad4f..6f45f215f7 100644
--- a/2.7/alpine3.10/Dockerfile
+++ b/2.7/alpine3.12/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.10
+FROM alpine:3.12
 
 RUN apk add --no-cache \
 		gmp-dev
@@ -40,6 +40,7 @@ RUN set -eux; \
 		ncurses-dev \
 		openssl \
 		openssl-dev \
+		patch \
 		procps \
 		readline-dev \
 		ruby \
diff --git a/Dockerfile-alpine.template b/Dockerfile-alpine.template
index 8b46d6afc6..1a72213bd8 100644
--- a/Dockerfile-alpine.template
+++ b/Dockerfile-alpine.template
@@ -41,6 +41,7 @@ RUN set -eux; \
 		ncurses-dev \
 		openssl \
 		openssl-dev \
+		patch \
 		procps \
 		readline-dev \
 		ruby \
diff --git a/generate-stackbrew-library.sh b/generate-stackbrew-library.sh
index b6bdf9868a..e1b2fe0e2d 100755
--- a/generate-stackbrew-library.sh
+++ b/generate-stackbrew-library.sh
@@ -10,7 +10,7 @@ defaultDebianSuite='buster'
 declare -A debianSuites=(
 	#[2.7]='buster'
 )
-defaultAlpineVersion='3.11'
+defaultAlpineVersion='3.12'
 declare -A alpineVersion=(
 	#[2.3]='3.8'
 )
@@ -80,7 +80,7 @@ join() {
 for version in "${versions[@]}"; do
 	for v in \
 		{buster,stretch}{,/slim} \
-		alpine{3.11,3.10} \
+		alpine{3.12,3.11} \
 	; do
 		dir="$version/$v"
 		variant="$(basename "$v")"
diff --git a/update.sh b/update.sh
index 48a3f3cf39..1df7ba411e 100755
--- a/update.sh
+++ b/update.sh
@@ -70,7 +70,7 @@ for version in "${versions[@]}"; do
 	echo "$version: $fullVersion; $shaVal"
 
 	for v in \
-		alpine{3.10,3.11} \
+		alpine{3.12,3.11} \
 		{stretch,buster}{/slim,} \
 	; do
 		dir="$version/$v"