diff --git a/toolchains/toolchain-sources.lock.json b/toolchains/toolchain-sources.lock.json
index 2fd3699..238a65b 100644
--- a/toolchains/toolchain-sources.lock.json
+++ b/toolchains/toolchain-sources.lock.json
@@ -34,12 +34,12 @@
     },
     {
       "id": "musl-source",
-      "version": "1.2.5",
-      "url": "https://musl.libc.org/releases/musl-1.2.5.tar.gz",
-      "size": 1080786,
-      "sha256": "a9a118bbe84d8764da0ea0d28b3ab3fae8477fc7e4085d90102b8596fc7c75e4",
+      "version": "1.2.6",
+      "url": "https://musl.libc.org/releases/musl-1.2.6.tar.gz",
+      "size": 1082499,
+      "sha256": "d585fd3b613c66151fc3249e8ed44f77020cb5e6c1e635a616d3f9f82460512a",
       "license": "MIT",
-      "license_url": "https://git.musl-libc.org/cgit/musl/tree/COPYRIGHT?h=v1.2.5"
+      "license_url": "https://git.musl-libc.org/cgit/musl/tree/COPYRIGHT?h=v1.2.6"
     },
     {
       "id": "llvm-mingw-windows-amd64",