diff --git a/stack/stack-setup-2.yaml b/stack/stack-setup-2.yaml
index 3b15417..6c5044d 100644
--- a/stack/stack-setup-2.yaml
+++ b/stack/stack-setup-2.yaml
@@ -142,7 +142,7 @@ ghc:
             sha1: 8cd4c56adb4bb269d2da87eea157857d3b76c037
             sha256: 83573af96e3dec8f67c1a844512f92cbf7d51ae7ceca53d948fc2a3300abd05c
         8.6.2:
-            url: "https://downloads.haskell.org/~ghc/8.6.2/ghc-8.6.2-i386-deb8-linux.tar.xz"
+            url: "https://github.com/commercialhaskell/ghc/releases/download/ghc-8.6.2-release/ghc-8.6.2-i386-deb8-linux.tar.xz"
             content-length: 177362500
             sha1: fd4e000a3a077ce9434ae852dd3798ec9853ccc0
             sha256: a288026d9ef22f7ac387edab6b29ef7dcb3b28945c8ea532a15c1fa35d4733ed
@@ -207,7 +207,7 @@ ghc:
             sha1: 8cd4c56adb4bb269d2da87eea157857d3b76c037
             sha256: 83573af96e3dec8f67c1a844512f92cbf7d51ae7ceca53d948fc2a3300abd05c
         8.6.2:
-            url: "https://downloads.haskell.org/~ghc/8.6.2/ghc-8.6.2-i386-deb8-linux.tar.xz"
+            url: "https://github.com/commercialhaskell/ghc/releases/download/ghc-8.6.2-release/ghc-8.6.2-i386-deb8-linux.tar.xz"
             content-length: 177362500
             sha1: fd4e000a3a077ce9434ae852dd3798ec9853ccc0
             sha256: a288026d9ef22f7ac387edab6b29ef7dcb3b28945c8ea532a15c1fa35d4733ed
@@ -274,7 +274,7 @@ ghc:
             sha1: 6ff44e86582c8360620b8f3e353e208aeb72c58e
             sha256: 6d8784401b7dd80c90fa17306ec0539920e3987399a2c7ef247989e53197dc42
         8.6.2:
-            url: "https://downloads.haskell.org/~ghc/8.6.2/ghc-8.6.2-x86_64-deb8-linux.tar.xz"
+            url: "https://github.com/commercialhaskell/ghc/releases/download/ghc-8.6.2-release/ghc-8.6.2-x86_64-deb8-linux.tar.xz"
             content-length: 179351624
             sha1: 67b0e8ee52f20cf2797b1ac81af6f89235dc8e50
             sha256: 13f96e8b83bb5bb60f955786ff9085744c24927a33be8a17773f84c7c248533a
@@ -339,7 +339,7 @@ ghc:
             sha1: 6ff44e86582c8360620b8f3e353e208aeb72c58e
             sha256: 6d8784401b7dd80c90fa17306ec0539920e3987399a2c7ef247989e53197dc42
         8.6.2:
-            url: "https://downloads.haskell.org/~ghc/8.6.2/ghc-8.6.2-x86_64-deb8-linux.tar.xz"
+            url: "https://github.com/commercialhaskell/ghc/releases/download/ghc-8.6.2-release/ghc-8.6.2-x86_64-deb8-linux.tar.xz"
             content-length: 179351624
             sha1: 67b0e8ee52f20cf2797b1ac81af6f89235dc8e50
             sha256: 13f96e8b83bb5bb60f955786ff9085744c24927a33be8a17773f84c7c248533a
@@ -522,7 +522,7 @@ ghc:
             sha1: 6878d9017edfd4341b0f9dd598a7bc0c229d84e4
             sha256: da903fbcf11ee6c977a8b7dac3f04dbc098d674def587880b6624b8f32588beb
         8.6.2:
-            url: "https://downloads.haskell.org/~ghc/8.6.2/ghc-8.6.2-x86_64-fedora27-linux.tar.xz"
+            url: "https://github.com/commercialhaskell/ghc/releases/download/ghc-8.6.2-release/ghc-8.6.2-x86_64-fedora27-linux.tar.xz"
             content-length: 182230252
             sha1: e1c195d4f15a5762cf58aabf129989291113a652
             sha256: 702aa5dfa1639c37953ceb7571a5057d9fb0562aecb197b277953a037d78047d
@@ -585,7 +585,7 @@ ghc:
             sha1: 6878d9017edfd4341b0f9dd598a7bc0c229d84e4
             sha256: da903fbcf11ee6c977a8b7dac3f04dbc098d674def587880b6624b8f32588beb
         8.6.2:
-            url: "https://downloads.haskell.org/~ghc/8.6.2/ghc-8.6.2-x86_64-fedora27-linux.tar.xz"
+            url: "https://github.com/commercialhaskell/ghc/releases/download/ghc-8.6.2-release/ghc-8.6.2-x86_64-fedora27-linux.tar.xz"
             content-length: 182230252
             sha1: e1c195d4f15a5762cf58aabf129989291113a652
             sha256: 702aa5dfa1639c37953ceb7571a5057d9fb0562aecb197b277953a037d78047d
@@ -640,7 +640,7 @@ ghc:
             sha1: 6878d9017edfd4341b0f9dd598a7bc0c229d84e4
             sha256: da903fbcf11ee6c977a8b7dac3f04dbc098d674def587880b6624b8f32588beb
         8.6.2:
-            url: "https://downloads.haskell.org/~ghc/8.6.2/ghc-8.6.2-x86_64-fedora27-linux.tar.xz"
+            url: "https://github.com/commercialhaskell/ghc/releases/download/ghc-8.6.2-release/ghc-8.6.2-x86_64-fedora27-linux.tar.xz"
             content-length: 182230252
             sha1: e1c195d4f15a5762cf58aabf129989291113a652
             sha256: 702aa5dfa1639c37953ceb7571a5057d9fb0562aecb197b277953a037d78047d
@@ -693,7 +693,7 @@ ghc:
             sha1: 6878d9017edfd4341b0f9dd598a7bc0c229d84e4
             sha256: da903fbcf11ee6c977a8b7dac3f04dbc098d674def587880b6624b8f32588beb
         8.6.2:
-            url: "https://downloads.haskell.org/~ghc/8.6.2/ghc-8.6.2-x86_64-fedora27-linux.tar.xz"
+            url: "https://github.com/commercialhaskell/ghc/releases/download/ghc-8.6.2-release/ghc-8.6.2-x86_64-fedora27-linux.tar.xz"
             content-length: 182230252
             sha1: e1c195d4f15a5762cf58aabf129989291113a652
             sha256: 702aa5dfa1639c37953ceb7571a5057d9fb0562aecb197b277953a037d78047d
@@ -760,10 +760,10 @@ ghc:
             sha1: c6e71489407ba093fcf7d08a40bb757abb2fcc4c
             sha256: 4804e051a9d6e059c26dcc00bf694ed18af3995eb90c758a08a0ee6c94e3950b
         8.6.2:
-            url: "https://downloads.haskell.org/~ghc/8.6.2/ghc-8.6.2-x86_64-apple-darwin.tar.xz"
-            content-length: 162149432
-            sha1: 083609db2e0e545331a3d29bdeefb37130fbe4df
-            sha256: 8ec46a25872226dd7e5cf7271e3f3450c05f32144b96e6b9cb44cc4079db50dc
+            url: "https://github.com/commercialhaskell/ghc/releases/download/ghc-8.6.2-release/ghc-8.6.2-x86_64-apple-darwin.tar.bz2"
+            content-length: 232083661
+            sha1: 0bdf5080a0702a4566f434b78a14d74dde36aad6
+            sha256: 108115312f0cf0e67e21166a34caedac3bb51e4a6eed1b2ff2428f47bbfaca92
 
     windows32-integersimple:
         7.8.4:
@@ -874,7 +874,7 @@ ghc:
             sha1: db8f701c96cc8e1d11124e775f6db1bb973c9867
             sha256: 64e4ded48bd03ddd93401c3ff8a2016bc32c584ce27461d4028d6fddd56eea06
         8.6.2:
-            url: "https://downloads.haskell.org/~ghc/8.6.2/ghc-8.6.2-i386-unknown-mingw32.tar.xz"
+            url: "https://github.com/commercialhaskell/ghc/releases/download/ghc-8.6.2-release/ghc-8.6.2-i386-unknown-mingw32.tar.xz"
             content-length: 210002540
             sha1: 64635bf2b1a34883025c8379a44b771f470a56a5
             sha256: a597240406b653aeed7a816496e170bff0b59be3082e87d7f65b0a3bc13e3a89
@@ -939,7 +939,7 @@ ghc:
             sha1: a82c1955f841be3b3c1bc5dd57bd2740d0136a84
             sha256: 7316d9cb5e486460476754f872c7bac30ee2082e42f46da4342f872d10b88099
         8.6.2:
-            url: "https://downloads.haskell.org/~ghc/8.6.2/ghc-8.6.2-x86_64-unknown-mingw32.tar.xz"
+            url: "https://github.com/commercialhaskell/ghc/releases/download/ghc-8.6.2-release/ghc-8.6.2-x86_64-unknown-mingw32.tar.xz"
             content-length: 213699632
             sha1: 9738c346030e4f59a0fcd140de6b7c613135a34f
             sha256: 9a398e133cab09ff2610834337355d4e26c35e0665403fb9ff8db79315f74d3d
@@ -1147,6 +1147,11 @@ ghc:
             content-length: 200629892
             sha1: 64c063a98a37c133b4be3de7ab995c05bdff612f
             sha256: 684f8d2f5ddb954719e5c0cc149333e3c0396de9592cbad2b7b78c1547dffadc
+        8.6.2:
+            url: "https://github.com/commercialhaskell/ghc/releases/download/ghc-8.6.2-release/ghc-8.6.2-aarch64-deb8-linux.tar.xz"
+            content-length: 207834124
+            sha1: cedb6aa1283911cf720dc8d1df432b3436e72389
+            sha256: 841d4cf0673a4db44d93082f56479ffd679bd369c67d715e7b288630ec7eb4f0
 
 ghcjs:
     source: