diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e683f47..2a30551 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,12 +13,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ghc: ['8.8.4', '8.10.2']
+        ghc: ['8.8.4', '8.10.3']
         deb: ['stretch', 'buster']
         include:
           - ghc: '8.8.4'
             ghc_minor: '8.8'
-          - ghc: '8.10.2'
+          - ghc: '8.10.3'
             ghc_minor: '8.10'
     steps:
       - uses: actions/checkout@v2
diff --git a/8.10/buster/Dockerfile b/8.10/buster/Dockerfile
index 0a384aa..2751b62 100644
--- a/8.10/buster/Dockerfile
+++ b/8.10/buster/Dockerfile
@@ -6,9 +6,9 @@ RUN apt-get update && \
     apt-get install -y --no-install-recommends gnupg ca-certificates dirmngr && \
     rm -rf /var/lib/apt/lists/*
 
-ARG GHC=8.10.2
+ARG GHC=8.10.3
 ARG DEBIAN_KEY=427CB69AAC9D00F2A43CAF1CBA3CBA3FFE22B574
-ARG CABAL_INSTALL=3.2
+ARG CABAL_INSTALL=3.4
 ARG STACK=2.5.1
 ARG STACK_KEY=C5705533DA4F78D8664B5DC0575159689BEFB442
 ARG STACK_RELEASE_KEY=2C6A674E85EE3FB896AFC9B965101FF31C5C154D
diff --git a/8.10/stretch/Dockerfile b/8.10/stretch/Dockerfile
index a8adb07..f5e6940 100644
--- a/8.10/stretch/Dockerfile
+++ b/8.10/stretch/Dockerfile
@@ -6,9 +6,9 @@ RUN apt-get update && \
     apt-get install -y --no-install-recommends gnupg ca-certificates dirmngr && \
     rm -rf /var/lib/apt/lists/*
 
-ARG GHC=8.10.2
+ARG GHC=8.10.3
 ARG DEBIAN_KEY=427CB69AAC9D00F2A43CAF1CBA3CBA3FFE22B574
-ARG CABAL_INSTALL=3.2
+ARG CABAL_INSTALL=3.4
 ARG STACK=2.5.1
 ARG STACK_KEY=C5705533DA4F78D8664B5DC0575159689BEFB442
 ARG STACK_RELEASE_KEY=2C6A674E85EE3FB896AFC9B965101FF31C5C154D
diff --git a/8.8/buster/Dockerfile b/8.8/buster/Dockerfile
index 4ffe12f..ebea0bb 100644
--- a/8.8/buster/Dockerfile
+++ b/8.8/buster/Dockerfile
@@ -8,7 +8,7 @@ RUN apt-get update && \
 
 ARG GHC=8.8.4
 ARG DEBIAN_KEY=427CB69AAC9D00F2A43CAF1CBA3CBA3FFE22B574
-ARG CABAL_INSTALL=3.2
+ARG CABAL_INSTALL=3.4
 ARG STACK=2.5.1
 ARG STACK_KEY=C5705533DA4F78D8664B5DC0575159689BEFB442
 ARG STACK_RELEASE_KEY=2C6A674E85EE3FB896AFC9B965101FF31C5C154D
diff --git a/8.8/stretch/Dockerfile b/8.8/stretch/Dockerfile
index cd43291..638d61b 100644
--- a/8.8/stretch/Dockerfile
+++ b/8.8/stretch/Dockerfile
@@ -8,7 +8,7 @@ RUN apt-get update && \
 
 ARG GHC=8.8.4
 ARG DEBIAN_KEY=427CB69AAC9D00F2A43CAF1CBA3CBA3FFE22B574
-ARG CABAL_INSTALL=3.2
+ARG CABAL_INSTALL=3.4
 ARG STACK=2.5.1
 ARG STACK_KEY=C5705533DA4F78D8664B5DC0575159689BEFB442
 ARG STACK_RELEASE_KEY=2C6A674E85EE3FB896AFC9B965101FF31C5C154D