diff --git a/3.2/alpine3.20/Dockerfile b/3.2/alpine3.22/Dockerfile
similarity index 99%
rename from 3.2/alpine3.20/Dockerfile
rename to 3.2/alpine3.22/Dockerfile
index e47593ef3..16dd9848a 100644
--- a/3.2/alpine3.20/Dockerfile
+++ b/3.2/alpine3.22/Dockerfile
@@ -4,7 +4,7 @@
 # PLEASE DO NOT EDIT IT DIRECTLY.
 #
 
-FROM alpine:3.20
+FROM alpine:3.22
 
 # skip installing gem documentation with `gem install`/`gem update`
 RUN set -eux; \
diff --git a/3.3/alpine3.20/Dockerfile b/3.3/alpine3.22/Dockerfile
similarity index 99%
rename from 3.3/alpine3.20/Dockerfile
rename to 3.3/alpine3.22/Dockerfile
index 07fc6138b..c4529641e 100644
--- a/3.3/alpine3.20/Dockerfile
+++ b/3.3/alpine3.22/Dockerfile
@@ -4,7 +4,7 @@
 # PLEASE DO NOT EDIT IT DIRECTLY.
 #
 
-FROM alpine:3.20
+FROM alpine:3.22
 
 # skip installing gem documentation with `gem install`/`gem update`
 RUN set -eux; \
diff --git a/3.4/alpine3.20/Dockerfile b/3.4/alpine3.22/Dockerfile
similarity index 99%
rename from 3.4/alpine3.20/Dockerfile
rename to 3.4/alpine3.22/Dockerfile
index 32c7ff4e9..6120a0ccd 100644
--- a/3.4/alpine3.20/Dockerfile
+++ b/3.4/alpine3.22/Dockerfile
@@ -4,7 +4,7 @@
 # PLEASE DO NOT EDIT IT DIRECTLY.
 #
 
-FROM alpine:3.20
+FROM alpine:3.22
 
 # skip installing gem documentation with `gem install`/`gem update`
 RUN set -eux; \
diff --git a/3.5-rc/alpine3.20/Dockerfile b/3.5-rc/alpine3.22/Dockerfile
similarity index 99%
rename from 3.5-rc/alpine3.20/Dockerfile
rename to 3.5-rc/alpine3.22/Dockerfile
index 100d0d5ba..412062066 100644
--- a/3.5-rc/alpine3.20/Dockerfile
+++ b/3.5-rc/alpine3.22/Dockerfile
@@ -4,7 +4,7 @@
 # PLEASE DO NOT EDIT IT DIRECTLY.
 #
 
-FROM alpine:3.20
+FROM alpine:3.22
 
 # skip installing gem documentation with `gem install`/`gem update`
 RUN set -eux; \
diff --git a/versions.json b/versions.json
index 8283ab033..61e1e627b 100644
--- a/versions.json
+++ b/versions.json
@@ -33,8 +33,8 @@
       "slim-bookworm",
       "bullseye",
       "slim-bullseye",
-      "alpine3.21",
-      "alpine3.20"
+      "alpine3.22",
+      "alpine3.21"
     ],
     "rust": {
       "version": "1.84.0"
@@ -103,8 +103,8 @@
       "slim-bookworm",
       "bullseye",
       "slim-bullseye",
-      "alpine3.21",
-      "alpine3.20"
+      "alpine3.22",
+      "alpine3.21"
     ],
     "rust": {
       "version": "1.84.0"
@@ -173,8 +173,8 @@
       "slim-bookworm",
       "bullseye",
       "slim-bullseye",
-      "alpine3.21",
-      "alpine3.20"
+      "alpine3.22",
+      "alpine3.21"
     ],
     "rust": {
       "version": "1.84.0"
@@ -250,8 +250,8 @@
       "slim-bookworm",
       "bullseye",
       "slim-bullseye",
-      "alpine3.21",
-      "alpine3.20"
+      "alpine3.22",
+      "alpine3.21"
     ],
     "rust": {
       "version": "1.84.0"
diff --git a/versions.sh b/versions.sh
index 689ee3b4d..9bcde726a 100755
--- a/versions.sh
+++ b/versions.sh
@@ -88,8 +88,8 @@ for version in "${versions[@]}"; do
 				empty # trailing comma hack
 			| ., "slim-" + .), # https://github.com/docker-library/ruby/pull/142#issuecomment-320012893
 			(
+				"3.22",
 				"3.21",
-				"3.20",
 				empty # trailing comma hack
 			| "alpine" + .)
 		]