diff --git a/.github/workflows/munge-unstable.sh b/.github/workflows/munge-unstable.sh
index b0ebe082..d70ade13 100755
--- a/.github/workflows/munge-unstable.sh
+++ b/.github/workflows/munge-unstable.sh
@@ -7,7 +7,7 @@ jq '
 		.matrix.include[]
 		| select(.name | test(" [(].+[)]") | not) # ignore any existing munged builds
 		| select(.os | startswith("windows-") | not)
-		| select(.meta.froms | any(startswith("debian:") or startswith("alpine:")))
+		| select(.meta.froms | any(startswith("debian:")))
 		| .name += " (unstable)"
 		| .runs.prepare += ([
 			"./hack-unstable.sh " + (.meta.entries[].directory | @sh),
diff --git a/Dockerfile-builder.template b/Dockerfile-builder.template
index 71fa95c7..c4a73c11 100644
--- a/Dockerfile-builder.template
+++ b/Dockerfile-builder.template
@@ -1,5 +1,5 @@
 {{ if env.variant == "musl" then ( -}}
-FROM alpine:3.19
+FROM alpine:3.20
 
 RUN set -eux; \
 	apk add --no-cache \
@@ -16,9 +16,6 @@ RUN set -eux; \
 # busybox's tar ironically does not maintain mtime of directories correctly (which we need for SOURCE_DATE_EPOCH / reproducibility)
 		tar \
 	;
-
-# https://github.com/alpinelinux/docker-alpine/issues/383
-RUN set -eux; if grep -qF '/edge/' '/etc/apk/repositories'; then apk upgrade --no-cache libssl3 libcrypto3; curl --version; dirmngr --version; fi
 {{ ) else ( -}}
 FROM debian:bookworm-slim
 
diff --git a/hack-unstable.sh b/hack-unstable.sh
index bbb2f70b..635ecc5e 100755
--- a/hack-unstable.sh
+++ b/hack-unstable.sh
@@ -10,5 +10,4 @@ set -x
 # This is used to modify "Dockerfile.builder" for architectures that are not (yet) supported by stable releases (notably, riscv64).
 sed -ri \
 	-e 's/^(FROM debian:)[^ -]+/\1unstable/g' \
-	-e 's/^(FROM alpine:)[^ -]+/\1edge/g' \
 	"${@/%//Dockerfile.builder}"
diff --git a/latest-1/musl/Dockerfile.builder b/latest-1/musl/Dockerfile.builder
index 3bf29a45..d808e2da 100644
--- a/latest-1/musl/Dockerfile.builder
+++ b/latest-1/musl/Dockerfile.builder
@@ -4,7 +4,7 @@
 # PLEASE DO NOT EDIT IT DIRECTLY.
 #
 
-FROM alpine:3.19
+FROM alpine:3.20
 
 RUN set -eux; \
 	apk add --no-cache \
@@ -22,9 +22,6 @@ RUN set -eux; \
 		tar \
 	;
 
-# https://github.com/alpinelinux/docker-alpine/issues/383
-RUN set -eux; if grep -qF '/edge/' '/etc/apk/repositories'; then apk upgrade --no-cache libssl3 libcrypto3; curl --version; dirmngr --version; fi
-
 # pub   1024D/ACC9965B 2006-12-12
 #       Key fingerprint = C9E9 416F 76E6 10DB D09D  040F 47B7 0C55 ACC9 965B
 # uid                  Denis Vlasenko <vda.linux@googlemail.com>
diff --git a/latest-1/musl/amd64/blobs/sha256/f36b741eb9675622ca20443a43b42d5dae106e346115faf4b4604a51e63bd421 b/latest-1/musl/amd64/blobs/sha256/4be3e63228b904f37e4e761ca32b93247afb159b5e09613a8aafb4c2e71243bf
similarity index 100%
rename from latest-1/musl/amd64/blobs/sha256/f36b741eb9675622ca20443a43b42d5dae106e346115faf4b4604a51e63bd421
rename to latest-1/musl/amd64/blobs/sha256/4be3e63228b904f37e4e761ca32b93247afb159b5e09613a8aafb4c2e71243bf
diff --git a/latest-1/musl/amd64/blobs/sha256/ab169714e570fc081439d21c6fefccdc40841c722a5ced84af57da7ccacce8e3 b/latest-1/musl/amd64/blobs/sha256/bd060a885638c42149802c64c92784987012c6a44d6ddc18e7f7a4951d559c7e
similarity index 100%
rename from latest-1/musl/amd64/blobs/sha256/ab169714e570fc081439d21c6fefccdc40841c722a5ced84af57da7ccacce8e3
rename to latest-1/musl/amd64/blobs/sha256/bd060a885638c42149802c64c92784987012c6a44d6ddc18e7f7a4951d559c7e
diff --git a/latest-1/musl/amd64/blobs/sha256/7e3712170429f1cb4fc838e6ec80548d6af2778301f3c88a57e4178d7aa16818 b/latest-1/musl/amd64/blobs/sha256/d4939ac1b9d185464548f0b439a045c00650eb998c51a88ed637b9b4bc569f89
similarity index 100%
rename from latest-1/musl/amd64/blobs/sha256/7e3712170429f1cb4fc838e6ec80548d6af2778301f3c88a57e4178d7aa16818
rename to latest-1/musl/amd64/blobs/sha256/d4939ac1b9d185464548f0b439a045c00650eb998c51a88ed637b9b4bc569f89
diff --git a/latest-1/musl/amd64/image-config.json b/latest-1/musl/amd64/image-config.json
index efc89caa..b73eed57 100644
--- a/latest-1/musl/amd64/image-config.json
+++ b/latest-1/musl/amd64/image-config.json
@@ -8,13 +8,13 @@
 	"history": [
 		{
 			"created": "2021-12-26T16:56:57Z",
-			"created_by": "BusyBox 1.35.0 (musl), Alpine 3.19.1"
+			"created_by": "BusyBox 1.35.0 (musl), Alpine 3.20.0"
 		}
 	],
 	"rootfs": {
 		"type": "layers",
 		"diff_ids": [
-			"sha256:e81af897a6ed42bf107335af397aee8b165cb545b01ebdda4cbd9fff72c51fdb"
+			"sha256:94e0f174de0cfbe45e6120a840948123116ed3abb55cb023c10de16b808b935b"
 		]
 	},
 	"architecture": "amd64",
diff --git a/latest-1/musl/amd64/image-manifest.json b/latest-1/musl/amd64/image-manifest.json
index c241cad5..4f324687 100644
--- a/latest-1/musl/amd64/image-manifest.json
+++ b/latest-1/musl/amd64/image-manifest.json
@@ -3,14 +3,14 @@
 	"mediaType": "application/vnd.oci.image.manifest.v1+json",
 	"config": {
 		"mediaType": "application/vnd.oci.image.config.v1+json",
-		"digest": "sha256:f36b741eb9675622ca20443a43b42d5dae106e346115faf4b4604a51e63bd421",
+		"digest": "sha256:4be3e63228b904f37e4e761ca32b93247afb159b5e09613a8aafb4c2e71243bf",
 		"size": 375
 	},
 	"layers": [
 		{
 			"mediaType": "application/vnd.oci.image.layer.v1.tar+gzip",
-			"digest": "sha256:7e3712170429f1cb4fc838e6ec80548d6af2778301f3c88a57e4178d7aa16818",
-			"size": 849546
+			"digest": "sha256:d4939ac1b9d185464548f0b439a045c00650eb998c51a88ed637b9b4bc569f89",
+			"size": 849283
 		}
 	],
 	"annotations": {
diff --git a/latest-1/musl/amd64/index.json b/latest-1/musl/amd64/index.json
index 2121aee3..809281b1 100644
--- a/latest-1/musl/amd64/index.json
+++ b/latest-1/musl/amd64/index.json
@@ -4,7 +4,7 @@
 	"manifests": [
 		{
 			"mediaType": "application/vnd.oci.image.manifest.v1+json",
-			"digest": "sha256:ab169714e570fc081439d21c6fefccdc40841c722a5ced84af57da7ccacce8e3",
+			"digest": "sha256:bd060a885638c42149802c64c92784987012c6a44d6ddc18e7f7a4951d559c7e",
 			"size": 608,
 			"platform": {
 				"architecture": "amd64",
diff --git a/latest/musl/Dockerfile.builder b/latest/musl/Dockerfile.builder
index f60dd071..a8575d6c 100644
--- a/latest/musl/Dockerfile.builder
+++ b/latest/musl/Dockerfile.builder
@@ -4,7 +4,7 @@
 # PLEASE DO NOT EDIT IT DIRECTLY.
 #
 
-FROM alpine:3.19
+FROM alpine:3.20
 
 RUN set -eux; \
 	apk add --no-cache \
@@ -22,9 +22,6 @@ RUN set -eux; \
 		tar \
 	;
 
-# https://github.com/alpinelinux/docker-alpine/issues/383
-RUN set -eux; if grep -qF '/edge/' '/etc/apk/repositories'; then apk upgrade --no-cache libssl3 libcrypto3; curl --version; dirmngr --version; fi
-
 # pub   1024D/ACC9965B 2006-12-12
 #       Key fingerprint = C9E9 416F 76E6 10DB D09D  040F 47B7 0C55 ACC9 965B
 # uid                  Denis Vlasenko <vda.linux@googlemail.com>
diff --git a/latest/musl/amd64/blobs/sha256/6e5e0f90c009d12db9478afe5656920e7bdd548e9fd8f50eab2be694102ae318 b/latest/musl/amd64/blobs/sha256/615b080b9dbe1288d4b5a69a8344905e8a3181a02f251216b104b4daea5c3984
similarity index 100%
rename from latest/musl/amd64/blobs/sha256/6e5e0f90c009d12db9478afe5656920e7bdd548e9fd8f50eab2be694102ae318
rename to latest/musl/amd64/blobs/sha256/615b080b9dbe1288d4b5a69a8344905e8a3181a02f251216b104b4daea5c3984
diff --git a/latest/musl/amd64/blobs/sha256/b9d056b83bb6446fee29e89a7fcf10203c562c1f59586a6e2f39c903597bda34 b/latest/musl/amd64/blobs/sha256/6d9a2e77c3b19944a28c3922f5715ede91c1ae869d91edf5f6adf88ed54e97cf
similarity index 100%
rename from latest/musl/amd64/blobs/sha256/b9d056b83bb6446fee29e89a7fcf10203c562c1f59586a6e2f39c903597bda34
rename to latest/musl/amd64/blobs/sha256/6d9a2e77c3b19944a28c3922f5715ede91c1ae869d91edf5f6adf88ed54e97cf
diff --git a/latest/musl/amd64/blobs/sha256/d6e6e2f0bb218b28aaad3f646fd30a36549d61bfbbdd7ad5d1d75b9d9e671297 b/latest/musl/amd64/blobs/sha256/da76cf628912174a928f788a59ff847a686ce63d9a86ca3ece325fbfc8443b99
similarity index 100%
rename from latest/musl/amd64/blobs/sha256/d6e6e2f0bb218b28aaad3f646fd30a36549d61bfbbdd7ad5d1d75b9d9e671297
rename to latest/musl/amd64/blobs/sha256/da76cf628912174a928f788a59ff847a686ce63d9a86ca3ece325fbfc8443b99
diff --git a/latest/musl/amd64/image-config.json b/latest/musl/amd64/image-config.json
index 12387f84..eec35d7f 100644
--- a/latest/musl/amd64/image-config.json
+++ b/latest/musl/amd64/image-config.json
@@ -8,13 +8,13 @@
 	"history": [
 		{
 			"created": "2023-05-18T22:34:17Z",
-			"created_by": "BusyBox 1.36.1 (musl), Alpine 3.19.1"
+			"created_by": "BusyBox 1.36.1 (musl), Alpine 3.20.0"
 		}
 	],
 	"rootfs": {
 		"type": "layers",
 		"diff_ids": [
-			"sha256:994bf8f4adc78c5c1e4a6b5e3b59ad57902b301e0e79255a3e95ea4b213a76bd"
+			"sha256:c3136a3b698a9f25d09d8169258a08c3d3965f065186fe2a91549859fa45d1cc"
 		]
 	},
 	"architecture": "amd64",
diff --git a/latest/musl/amd64/image-manifest.json b/latest/musl/amd64/image-manifest.json
index d0ca8549..4e51e64c 100644
--- a/latest/musl/amd64/image-manifest.json
+++ b/latest/musl/amd64/image-manifest.json
@@ -3,14 +3,14 @@
 	"mediaType": "application/vnd.oci.image.manifest.v1+json",
 	"config": {
 		"mediaType": "application/vnd.oci.image.config.v1+json",
-		"digest": "sha256:6e5e0f90c009d12db9478afe5656920e7bdd548e9fd8f50eab2be694102ae318",
+		"digest": "sha256:615b080b9dbe1288d4b5a69a8344905e8a3181a02f251216b104b4daea5c3984",
 		"size": 375
 	},
 	"layers": [
 		{
 			"mediaType": "application/vnd.oci.image.layer.v1.tar+gzip",
-			"digest": "sha256:d6e6e2f0bb218b28aaad3f646fd30a36549d61bfbbdd7ad5d1d75b9d9e671297",
-			"size": 852587
+			"digest": "sha256:da76cf628912174a928f788a59ff847a686ce63d9a86ca3ece325fbfc8443b99",
+			"size": 852608
 		}
 	],
 	"annotations": {
diff --git a/latest/musl/amd64/index.json b/latest/musl/amd64/index.json
index ac647649..8720b659 100644
--- a/latest/musl/amd64/index.json
+++ b/latest/musl/amd64/index.json
@@ -4,7 +4,7 @@
 	"manifests": [
 		{
 			"mediaType": "application/vnd.oci.image.manifest.v1+json",
-			"digest": "sha256:b9d056b83bb6446fee29e89a7fcf10203c562c1f59586a6e2f39c903597bda34",
+			"digest": "sha256:6d9a2e77c3b19944a28c3922f5715ede91c1ae869d91edf5f6adf88ed54e97cf",
 			"size": 608,
 			"platform": {
 				"architecture": "amd64",