diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0265ca18f1..68575d683c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -58,12 +58,12 @@ jobs:
       fail-fast: false
       matrix:
         entry:
-          - { build: "pr-1726-wasm32-unknown-emscripten-full", builder: "wasm32-unknown-emscripten" }
-          - { build: "pr-1726-wasm32-unknown-emscripten-minimal", builder: "wasm32-unknown-emscripten" }
-          - { build: "pr-1726-wasm32-unknown-wasi-full", builder: "wasm32-unknown-wasi" }
-          - { build: "pr-1726-wasm32-unknown-wasi-full-js", builder: "wasm32-unknown-wasi" }
-          - { build: "pr-1726-wasm32-unknown-wasi-minimal", builder: "wasm32-unknown-wasi" }
-          - { build: "pr-1726-wasm32-unknown-wasi-minimal-js", builder: "wasm32-unknown-wasi" }
+          - { build: "head-wasm32-unknown-emscripten-full", builder: "wasm32-unknown-emscripten" }
+          - { build: "head-wasm32-unknown-emscripten-minimal", builder: "wasm32-unknown-emscripten" }
+          - { build: "head-wasm32-unknown-wasi-full", builder: "wasm32-unknown-wasi" }
+          - { build: "head-wasm32-unknown-wasi-full-js", builder: "wasm32-unknown-wasi" }
+          - { build: "head-wasm32-unknown-wasi-minimal", builder: "wasm32-unknown-wasi" }
+          - { build: "head-wasm32-unknown-wasi-minimal-js", builder: "wasm32-unknown-wasi" }
     needs: [build-builder-image]
     runs-on: ubuntu-20.04
     steps:
@@ -90,8 +90,8 @@ jobs:
       fail-fast: false
       matrix:
         entry:
-          - { package: ruby-wasm-emscripten, build: "pr-1726-wasm32-unknown-emscripten-full", builder: wasm32-unknown-emscripten }
-          - { package: ruby-wasm-wasi, build: "pr-1726-wasm32-unknown-wasi-full-js", builder: wasm32-unknown-wasi }
+          - { package: ruby-wasm-emscripten, build: "head-wasm32-unknown-emscripten-full", builder: wasm32-unknown-emscripten }
+          - { package: ruby-wasm-wasi, build: "head-wasm32-unknown-wasi-full-js", builder: wasm32-unknown-wasi }
     needs: [build-ruby-release]
     runs-on: ubuntu-20.04
     steps:
diff --git a/README.md b/README.md
index 11213f6271..3c41c26472 100644
--- a/README.md
+++ b/README.md
@@ -53,9 +53,9 @@ Then, you can build by `rake` command. See `rake -T` for more information.
 ```console
 # Build only a specific combination of ruby version, flavor, and target
 # Output is in the `rubies` directory
-$ rake build:pr-1726-wasm32-unknown-wasi-full-js
+$ rake build:head-wasm32-unknown-wasi-full-js
 # Build all combinations of flavor, and target for a specific ruby version
-$ rake build:pr-1726
+$ rake build:head
 # Build npm packages and required ruby
 $ rake pkg:all
 ```
diff --git a/Rakefile b/Rakefile
index f2290ea129..9149f4272b 100644
--- a/Rakefile
+++ b/Rakefile
@@ -14,10 +14,10 @@ end
 
 BUILD_SOURCES = [
   {
-    name: "pr-1726",
+    name: "head",
     type: "github",
-    repo: "kateinoigakukun/ruby",
-    rev: "337b9df76e2850292c31983d2c992f768fc4cc5e",
+    repo: "ruby/ruby",
+    rev: "e7249294fb85953c3caa0af1eb9d3627a4827a11",
   },
 ]
 
@@ -31,8 +31,8 @@ BUILD_PARAMS = [
 ]
 
 PACKAGES = [
-  { name: "ruby-wasm-emscripten", build: "pr-1726-wasm32-unknown-emscripten-full" },
-  { name: "ruby-wasm-wasi", build: "pr-1726-wasm32-unknown-wasi-full-js" },
+  { name: "ruby-wasm-emscripten", build: "head-wasm32-unknown-emscripten-full" },
+  { name: "ruby-wasm-wasi", build: "head-wasm32-unknown-wasi-full-js" },
 ]
 
 class BuildPlan
@@ -202,12 +202,12 @@ end
 
 RELASE_ARTIFACTS = [
   # ruby builds
-  "pr-1726-wasm32-unknown-emscripten-full",
-  "pr-1726-wasm32-unknown-emscripten-minimal",
-  "pr-1726-wasm32-unknown-wasi-full",
-  "pr-1726-wasm32-unknown-wasi-full-js",
-  "pr-1726-wasm32-unknown-wasi-minimal",
-  "pr-1726-wasm32-unknown-wasi-minimal-js",
+  "head-wasm32-unknown-emscripten-full",
+  "head-wasm32-unknown-emscripten-minimal",
+  "head-wasm32-unknown-wasi-full",
+  "head-wasm32-unknown-wasi-full-js",
+  "head-wasm32-unknown-wasi-minimal",
+  "head-wasm32-unknown-wasi-minimal-js",
 ]
 
 task :publish, [:run_id, :tag] do |t, args|