diff --git a/CHANGELOG.md b/CHANGELOG.md
index 182bdedc38210d5f6b925a73dc6731f8d939cdee..7eb0104d7e55fc30a46b2c43e0dff1e15d8ab7c3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,14 +1,14 @@
 # Revision history for ghcup
 
-## 0.1.15.1 -- ????-??-??
+## 0.1.15.1 -- 2021-06-11
 
 * Add Apple Silicon support
 * Add windows support wrt [#130](https://gitlab.haskell.org/haskell/ghcup-hs/-/issues/130)
-* Add date to GHC bindist names created by ghcup
+* Add stack support
 * Warn when /tmp doesn't have 5GB or more of disk space
 * Allow to compile GHC from git repo wrt [#126](https://gitlab.haskell.org/haskell/ghcup-hs/-/issues/126)
 * Allow to set custom ghc version when running 'ghcup compile ghc' wrt [#136](https://gitlab.haskell.org/haskell/ghcup-hs/-/issues/136)
-* Add stack support
+* Add date to GHC bindist names created by ghcup
 
 ## 0.1.14.2 -- 2021-05-12
 
diff --git a/bootstrap-haskell b/bootstrap-haskell
index d077bc2245ba775bf501e0178490c29a4157aef3..ca4bd355718e82570db230afc0332f1ae0d5e680 100755
--- a/bootstrap-haskell
+++ b/bootstrap-haskell
@@ -16,7 +16,7 @@
 
 plat="$(uname -s)"
 arch=$(uname -m)
-ghver="0.1.14.1"
+ghver="0.1.15.1"
 base_url="https://downloads.haskell.org/~ghcup"
 
 case "${plat}" in
@@ -166,6 +166,10 @@ download_ghcup() {
         "Darwin"|"darwin")
 			case "${arch}" in
 				x86_64|amd64)
+					_url=${base_url}/${ghver}/x86_64-apple-darwin-ghcup-${ghver}
+					;;
+				aarch64|arm64|armv8l)
+					_url=${base_url}/${ghver}/aarch64-apple-darwin-ghcup-${ghver}
 					;;
 				i*86)
 					die "i386 currently not supported!"
@@ -173,11 +177,11 @@ download_ghcup() {
 				*) die "Unknown architecture: ${arch}"
 					;;
 			esac
-			_url=${base_url}/${ghver}/x86_64-apple-darwin-ghcup-${ghver} ;;
+			;;
         MSYS*|MINGW*)
 			case "${arch}" in
 				x86_64|amd64)
-					_url=https://downloads.haskell.org/~ghcup/tmp/x86_64-mingw64-ghcup-9.exe
+					_url=${base_url}/${ghver}/x86_64-mingw64-ghcup-${ghver}.exe
 					;;
 				*) die "Unknown architecture: ${arch}"
 					;;
diff --git a/bootstrap-haskell.ps1 b/bootstrap-haskell.ps1
index 1672e21ec31823937d08bc33dbd928af6c5557a2..a0f722af165629302e3b34e89c1d456c85a3c1e3 100644
--- a/bootstrap-haskell.ps1
+++ b/bootstrap-haskell.ps1
@@ -194,7 +194,7 @@ $null = [Environment]::SetEnvironmentVariable("GHCUP_INSTALL_BASE_PREFIX", $Ghcu
 $GhcupDir = ('{0}\ghcup' -f $GhcupBasePrefix)
 $MsysDir = ('{0}\msys64' -f $GhcupDir)
 $Bash = ('{0}\usr\bin\bash' -f $MsysDir)
-$BootstrapUrl = 'https://www.haskell.org/ghcup/sh/bootstrap-haskell-windows'
+$BootstrapUrl = 'https://www.haskell.org/ghcup/sh/bootstrap-haskell'
 $GhcupMsys2 = [System.Environment]::GetEnvironmentVariable('GHCUP_MSYS2', 'user')
 
 Print-Msg -msg 'Preparing for GHCup installation...'
diff --git a/ghcup-0.0.4.yaml b/ghcup-0.0.4.yaml
index ddf04d6da6fad17d8dc3739943719a0703da19ea..78ff184404f9aefb0c9b02e4c54e5ae72c02ebf9 100644
--- a/ghcup-0.0.4.yaml
+++ b/ghcup-0.0.4.yaml
@@ -1868,7 +1868,7 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/~ghcup/unofficial-bindists/cabal/3.4.0.0/cabal-install-3.4.0.0-armv7-linux-bootstrapped.tar.xz
               dlHash: 16c0d1eaba24bed14f3e152970179a45d9f9bb5cc839b2c210ad06eb7d4826ed
   GHCup:
-    0.1.14.1:
+    0.1.15.1:
       viTags:
       - Recommended
       - Latest
@@ -1878,35 +1878,43 @@ ghcupDownloads:
         A_64:
           Linux_UnknownLinux:
             unknown_versioning: &ghcup-64
-              dlUri: https://downloads.haskell.org/~ghcup/0.1.14.1/x86_64-linux-ghcup-0.1.14.1
-              dlHash: 59e31b2ede3ed20f79dce0f8ba0a68b6fb25e5f00ba2d7243f6a8af68d979ff5
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.15.1/x86_64-linux-ghcup-0.1.15.1
+              dlHash: 871c9dc1bfbf7df6fe3b9b7250c20a3dae8a7aee171712a3e63689ab75bc9439
           Darwin:
             unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghcup/0.1.14.1/x86_64-apple-darwin-ghcup-0.1.14.1
-              dlHash: 3e1dd173b3e7b5d90dcdece423c3ddd3efb4c83e964967b0fb574c9b7b2c44e1
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.15.1/x86_64-apple-darwin-ghcup-0.1.15.1
+              dlHash: 7cd67b554fc58c4ffb224b73e369c5dd27c5276c01f102f6423230b34cc635bc
           FreeBSD:
             unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghcup/0.1.14.1/x86_64-portbld-freebsd-ghcup-0.1.14.1
-              dlHash: 89a70980d77888dae8b9fd0f05e7a7920f421bc3bb5192da8e73fd4e7b4cb86f
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.15.1/x86_64-portbld-freebsd-ghcup-0.1.15.1
+              dlHash: b4ad9c9f1a878560e8f770d985d53b8fb70582baf99e40e53ec9ee97dc47ae64
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.15.1/x86_64-mingw64-ghcup-0.1.15.1.exe
+              dlHash: 6243ade97cf50788b5c9752b876684f64f70d048a9d2d93ddedf5512136cc014
           Linux_Alpine:
             unknown_versioning: *ghcup-64
         A_32:
           Linux_UnknownLinux:
             unknown_versioning: &ghcup-32
-              dlUri: https://downloads.haskell.org/~ghcup/0.1.14.1/i386-linux-ghcup-0.1.14.1
-              dlHash: 610aac7c3be3ba3874c07b9cae5b2ca0da9a92bf381afc2597bd2dc9c70aae0c
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.15.1/i386-linux-ghcup-0.1.15.1
+              dlHash: 0c1dcbdd7cfa8accdfbe14c623924f3ca29a35d32a2ac3e61f0eb322855e2cb1
           Linux_Alpine:
             unknown_versioning: *ghcup-32
         A_ARM64:
           Linux_UnknownLinux:
             unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghcup/0.1.14.1/aarch64-linux-ghcup-0.1.14.1
-              dlHash: e9ae07b7d41ea03e6af9c1f3587f61287827c4e29478b6a5d46ea1ce5af4cee5
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.15.1/aarch64-linux-ghcup-0.1.15.1
+              dlHash: 7fa29d8e9a9fe3d1e3a63a1d16fc3550128edbdb9b5b5dff7974358c4dab192c
+          Darwin:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.15.1/aarch64-apple-darwin-ghcup-0.1.15.1
+              dlHash: 6a743cd50e8124ac2de8be77013d49dcf3b99ce7cc463ec86ed99a904a51dfd9
         A_ARM:
           Linux_UnknownLinux:
             unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghcup/0.1.14.1/armv7-linux-ghcup-0.1.14.1
-              dlHash: 646832030efbc0a848df24c08b5eb7507bd15d1c2eb95fea6d9d03890f3662be
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.15.1/armv7-linux-ghcup-0.1.15.1
+              dlHash: 77ee5d9828c2ba771127274e301e81412b9f29af2d65dd85dada4786d9438c2c
   HLS:
     1.1.0:
       viTags:
diff --git a/ghcup-0.0.5.yaml b/ghcup-0.0.5.yaml
index c3922ce4eb0794a1e5cfdcafa7b5660433547747..d7739a8ce174ba1961ec3310b3b3c57377372e29 100644
--- a/ghcup-0.0.5.yaml
+++ b/ghcup-0.0.5.yaml
@@ -2024,7 +2024,7 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/~ghcup/unofficial-bindists/cabal/3.4.0.0/cabal-install-3.4.0.0-armv7-linux-bootstrapped.tar.xz
               dlHash: 16c0d1eaba24bed14f3e152970179a45d9f9bb5cc839b2c210ad06eb7d4826ed
   GHCup:
-    0.1.14.1:
+    0.1.15.1:
       viTags:
       - Recommended
       - Latest
@@ -2034,39 +2034,43 @@ ghcupDownloads:
         A_64:
           Linux_UnknownLinux:
             unknown_versioning: &ghcup-64
-              dlUri: https://downloads.haskell.org/~ghcup/0.1.14.1/x86_64-linux-ghcup-0.1.14.1
-              dlHash: 59e31b2ede3ed20f79dce0f8ba0a68b6fb25e5f00ba2d7243f6a8af68d979ff5
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.15.1/x86_64-linux-ghcup-0.1.15.1
+              dlHash: 871c9dc1bfbf7df6fe3b9b7250c20a3dae8a7aee171712a3e63689ab75bc9439
           Darwin:
             unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghcup/0.1.14.1/x86_64-apple-darwin-ghcup-0.1.14.1
-              dlHash: 3e1dd173b3e7b5d90dcdece423c3ddd3efb4c83e964967b0fb574c9b7b2c44e1
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.15.1/x86_64-apple-darwin-ghcup-0.1.15.1
+              dlHash: 7cd67b554fc58c4ffb224b73e369c5dd27c5276c01f102f6423230b34cc635bc
           FreeBSD:
             unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghcup/0.1.14.1/x86_64-portbld-freebsd-ghcup-0.1.14.1
-              dlHash: 89a70980d77888dae8b9fd0f05e7a7920f421bc3bb5192da8e73fd4e7b4cb86f
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.15.1/x86_64-portbld-freebsd-ghcup-0.1.15.1
+              dlHash: b4ad9c9f1a878560e8f770d985d53b8fb70582baf99e40e53ec9ee97dc47ae64
           Windows:
             unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghcup/tmp/x86_64-mingw64-ghcup-1.exe
-              dlHash: a61ae29e677db0f0a93505e0ab3b35b7ccc3ebec6a2a2cf9418cfd550ef82ec6
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.15.1/x86_64-mingw64-ghcup-0.1.15.1.exe
+              dlHash: 6243ade97cf50788b5c9752b876684f64f70d048a9d2d93ddedf5512136cc014
           Linux_Alpine:
             unknown_versioning: *ghcup-64
         A_32:
           Linux_UnknownLinux:
             unknown_versioning: &ghcup-32
-              dlUri: https://downloads.haskell.org/~ghcup/0.1.14.1/i386-linux-ghcup-0.1.14.1
-              dlHash: 610aac7c3be3ba3874c07b9cae5b2ca0da9a92bf381afc2597bd2dc9c70aae0c
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.15.1/i386-linux-ghcup-0.1.15.1
+              dlHash: 0c1dcbdd7cfa8accdfbe14c623924f3ca29a35d32a2ac3e61f0eb322855e2cb1
           Linux_Alpine:
             unknown_versioning: *ghcup-32
         A_ARM64:
           Linux_UnknownLinux:
             unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghcup/0.1.14.1/aarch64-linux-ghcup-0.1.14.1
-              dlHash: e9ae07b7d41ea03e6af9c1f3587f61287827c4e29478b6a5d46ea1ce5af4cee5
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.15.1/aarch64-linux-ghcup-0.1.15.1
+              dlHash: 7fa29d8e9a9fe3d1e3a63a1d16fc3550128edbdb9b5b5dff7974358c4dab192c
+          Darwin:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.15.1/aarch64-apple-darwin-ghcup-0.1.15.1
+              dlHash: 6a743cd50e8124ac2de8be77013d49dcf3b99ce7cc463ec86ed99a904a51dfd9
         A_ARM:
           Linux_UnknownLinux:
             unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghcup/0.1.14.1/armv7-linux-ghcup-0.1.14.1
-              dlHash: 646832030efbc0a848df24c08b5eb7507bd15d1c2eb95fea6d9d03890f3662be
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.15.1/armv7-linux-ghcup-0.1.15.1
+              dlHash: 77ee5d9828c2ba771127274e301e81412b9f29af2d65dd85dada4786d9438c2c
   HLS:
     1.1.0:
       viTags: