diff --git a/ghcup-0.0.2.yaml b/ghcup-0.0.2.yaml
index 419becf..47c2797 100644
--- a/ghcup-0.0.2.yaml
+++ b/ghcup-0.0.2.yaml
@@ -1287,30 +1287,30 @@ ghcupDownloads:
             unknown_versioning:
               dlUri: https://downloads.haskell.org/~cabal/cabal-install-3.2.0.0/cabal-install-3.2.0.0-i386-unknown-linux.tar.xz
               dlHash: 2b3ac28549916de5f3379241797eaf60e84b6c001f2abbe73d9fadbbaf768e93
-    3.4.0.0-rc3:
+    3.4.0.0-rc4:
       viTags:
       - Prerelease
       viChangeLog: https://github.com/haskell/cabal/blob/master/release-notes/cabal-install-3.4.0.0.md
       viArch:
         A_64:
           Linux_Ubuntu:
-            unknown_versioning: &cabal-3400rc3-ubuntu
-              dlUri: https://oleg.fi/cabal-install-3.4.0.0-rc3/cabal-install-3.4.0.0-x86_64-ubuntu-16.04.tar.xz
-              dlHash: a97f0362b8cdc78ba4a7891f8b288082dc11e20c64b1b3c8e6c2bd3766446d10
+            unknown_versioning: &cabal-3400rc4-ubuntu
+              dlUri: https://oleg.fi/cabal-install-3.4.0.0-rc4/cabal-install-3.4.0.0-x86_64-ubuntu-16.04.tar.xz
+              dlHash: a1be168876816a624b206c55596d9bb5f442541c889ee2438d664698122b9ffe
           Linux_Alpine:
             unknown_versioning:
-              dlUri: https://oleg.fi/cabal-install-3.4.0.0-rc3/cabal-install-3.4.0.0-x86_64-alpine-3.11.6-static-noofd.tar.xz
-              dlHash: a82c7dc7e46da823f6a982465b9b29e0640a5ce2e5b573d3dd55a47e20740305
+              dlUri: https://oleg.fi/cabal-install-3.4.0.0-rc4/cabal-install-3.4.0.0-x86_64-alpine-3.11.6-static-noofd.tar.xz
+              dlHash: 49dab6684483594e4c7c3e561ec477268002605253ad34701b471277efbe91bc
           Linux_UnknownLinux:
-            unknown_versioning: *cabal-3400rc3-ubuntu
+            unknown_versioning: *cabal-3400rc4-ubuntu
           Darwin:
             unknown_versioning:
-              dlUri: https://oleg.fi/cabal-install-3.4.0.0-rc3/cabal-install-3.4.0.0-x86_64-darwin-sierra.tar.xz
-              dlHash: 4553eaea3031c09ab5156af8d4a62bf1ecbbea2c3b57a876f267cbf4b5a15658
+              dlUri: https://oleg.fi/cabal-install-3.4.0.0-rc4/cabal-install-3.4.0.0-x86_64-darwin-sierra.tar.xz
+              dlHash: a3f809a3388e90b9fdf52444e30ea9aad3894e2cbe53c37fc3311ceb106eda9e
           FreeBSD:
             unknown_versioning:
-              dlUri: https://oleg.fi/cabal-install-3.4.0.0-rc3/cabal-install-3.4.0.0-x86_64-freebsd-12.1-release.tar.xz
-              dlHash: 44e25e0b0d15361acb369f4bf2206a39d2432a08fb922cc40a9b8a045d0a3a6f
+              dlUri: https://oleg.fi/cabal-install-3.4.0.0-rc4/cabal-install-3.4.0.0-x86_64-freebsd-12.1-release.tar.xz
+              dlHash: 9705e16d03497b46be4ad477e6c64d10890af853eafa8a9adf6dba89aa9e05f7
   GHCup:
     0.1.11:
       viTags:
diff --git a/ghcup-0.0.3.yaml b/ghcup-0.0.3.yaml
index 13587d7..5a5b0f1 100644
--- a/ghcup-0.0.3.yaml
+++ b/ghcup-0.0.3.yaml
@@ -1375,30 +1375,30 @@ ghcupDownloads:
             unknown_versioning:
               dlUri: https://downloads.haskell.org/~cabal/cabal-install-3.2.0.0/cabal-install-3.2.0.0-i386-unknown-linux.tar.xz
               dlHash: 2b3ac28549916de5f3379241797eaf60e84b6c001f2abbe73d9fadbbaf768e93
-    3.4.0.0-rc3:
+    3.4.0.0-rc4:
       viTags:
       - Prerelease
       viChangeLog: https://github.com/haskell/cabal/blob/master/release-notes/cabal-install-3.4.0.0.md
       viArch:
         A_64:
           Linux_Ubuntu:
-            unknown_versioning: &cabal-3400rc3-ubuntu
-              dlUri: https://oleg.fi/cabal-install-3.4.0.0-rc3/cabal-install-3.4.0.0-x86_64-ubuntu-16.04.tar.xz
-              dlHash: a97f0362b8cdc78ba4a7891f8b288082dc11e20c64b1b3c8e6c2bd3766446d10
+            unknown_versioning: &cabal-3400rc4-ubuntu
+              dlUri: https://oleg.fi/cabal-install-3.4.0.0-rc4/cabal-install-3.4.0.0-x86_64-ubuntu-16.04.tar.xz
+              dlHash: a1be168876816a624b206c55596d9bb5f442541c889ee2438d664698122b9ffe
           Linux_Alpine:
             unknown_versioning:
-              dlUri: https://oleg.fi/cabal-install-3.4.0.0-rc3/cabal-install-3.4.0.0-x86_64-alpine-3.11.6-static-noofd.tar.xz
-              dlHash: a82c7dc7e46da823f6a982465b9b29e0640a5ce2e5b573d3dd55a47e20740305
+              dlUri: https://oleg.fi/cabal-install-3.4.0.0-rc4/cabal-install-3.4.0.0-x86_64-alpine-3.11.6-static-noofd.tar.xz
+              dlHash: 49dab6684483594e4c7c3e561ec477268002605253ad34701b471277efbe91bc
           Linux_UnknownLinux:
-            unknown_versioning: *cabal-3400rc3-ubuntu
+            unknown_versioning: *cabal-3400rc4-ubuntu
           Darwin:
             unknown_versioning:
-              dlUri: https://oleg.fi/cabal-install-3.4.0.0-rc3/cabal-install-3.4.0.0-x86_64-darwin-sierra.tar.xz
-              dlHash: 4553eaea3031c09ab5156af8d4a62bf1ecbbea2c3b57a876f267cbf4b5a15658
+              dlUri: https://oleg.fi/cabal-install-3.4.0.0-rc4/cabal-install-3.4.0.0-x86_64-darwin-sierra.tar.xz
+              dlHash: a3f809a3388e90b9fdf52444e30ea9aad3894e2cbe53c37fc3311ceb106eda9e
           FreeBSD:
             unknown_versioning:
-              dlUri: https://oleg.fi/cabal-install-3.4.0.0-rc3/cabal-install-3.4.0.0-x86_64-freebsd-12.1-release.tar.xz
-              dlHash: 44e25e0b0d15361acb369f4bf2206a39d2432a08fb922cc40a9b8a045d0a3a6f
+              dlUri: https://oleg.fi/cabal-install-3.4.0.0-rc4/cabal-install-3.4.0.0-x86_64-freebsd-12.1-release.tar.xz
+              dlHash: 9705e16d03497b46be4ad477e6c64d10890af853eafa8a9adf6dba89aa9e05f7
   GHCup:
     0.1.11:
       viTags: