diff --git a/.download-urls b/.download-urls
index 3ae55e2d20f0e6ab8007cea2eb726c16ce735e00..04320b2ab69963196e28e02daceb2113f4060060 100644
--- a/.download-urls
+++ b/.download-urls
@@ -136,6 +136,15 @@ ghc 8.8.2   x86_64  darwin                                         https://downl
 ghc 8.8.2   i386    alpine                                         https://github.com/redneb/ghc-alt-libc/releases/download/ghc-8.8.2-musl/ghc-8.8.2-i386-unknown-linux-musl.tar.xz
 ghc 8.8.2   x86_64  alpine                                         https://github.com/redneb/ghc-alt-libc/releases/download/ghc-8.8.2-musl/ghc-8.8.2-x86_64-unknown-linux-musl.tar.xz
 
+ghc 8.8.3   i386    debian=9,debian,ubuntu,mint,unknown            https://downloads.haskell.org/~ghc/8.8.3/ghc-8.8.3-i386-deb9-linux.tar.xz
+ghc 8.8.3   x86_64  debian=8                                       https://downloads.haskell.org/~ghc/8.8.3/ghc-8.8.3-x86_64-deb8-linux.tar.xz
+ghc 8.8.3   x86_64  debian=9,debian,ubuntu=16.04,ubuntu=18.04,mint https://downloads.haskell.org/~ghc/8.8.3/ghc-8.8.3-x86_64-deb9-linux.tar.xz
+ghc 8.8.3   x86_64  fedora=27,fedora,ubuntu,unknown                https://downloads.haskell.org/~ghc/8.8.3/ghc-8.8.3-x86_64-fedora27-linux.tar.xz
+ghc 8.8.3   x86_64  centos=7,centos,amazonlinux                    https://downloads.haskell.org/~ghc/8.8.3/ghc-8.8.3-x86_64-centos7-linux.tar.xz
+ghc 8.8.3   x86_64  darwin                                         https://downloads.haskell.org/~ghc/8.8.3/ghc-8.8.3-x86_64-apple-darwin.tar.xz
+ghc 8.8.3   i386    alpine                                         https://github.com/redneb/ghc-alt-libc/releases/download/ghc-8.8.3-musl/ghc-8.8.3-i386-unknown-linux-musl.tar.xz
+ghc 8.8.3   x86_64  alpine                                         https://github.com/redneb/ghc-alt-libc/releases/download/ghc-8.8.3-musl/ghc-8.8.3-x86_64-unknown-linux-musl.tar.xz
+
 
 cabal-install   2.2.0.0     i386    unknown                        https://downloads.haskell.org/~cabal/cabal-install-2.2.0.0/cabal-install-2.2.0.0-i386-unknown-linux.tar.gz
 cabal-install   2.2.0.0     x86_64  darwin                         https://downloads.haskell.org/~cabal/cabal-install-2.2.0.0/cabal-install-2.2.0.0-x86_64-apple-darwin-sierra.tar.gz
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 765761dcaa808965275a52267969a0d1c7a7a1e2..fe3c5343baab637ffee14b8a4825fffabe17194e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -132,6 +132,10 @@ test:linux:8.8.2:
   variables:
     GHC_VERSION: "8.8.2"
 
+test:linux:8.8.3:
+  extends: .test_ghcup_version:linux
+  variables:
+    GHC_VERSION: "8.8.3"
 
 ######## darwin ########
 
@@ -213,3 +217,8 @@ test:mac:8.8.2:
   extends: .test_ghcup_version:darwin
   variables:
     GHC_VERSION: "8.8.2"
+
+test:mac:8.8.3:
+  extends: .test_ghcup_version:darwin
+  variables:
+    GHC_VERSION: "8.8.3"