diff --git a/.travis.yml b/.travis.yml
index b697bd6b..47bbda04 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,7 +11,7 @@ addons:
     - libgmp-dev
 
 env:
-- GHCVER=7.10.3
+- GHCVER=8.0.1
 
 install:
  # Download and unpack the stack executable
diff --git a/Dockerfile b/Dockerfile
index 59041d90..c6886c39 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM ubuntu:16.04
 
 ENV HOME /home/stackage
 ENV LANG en_US.UTF-8
-ENV PATH /opt/ghc/7.10.3/bin:/usr/sbin:/usr/bin:/sbin:/bin
+ENV PATH /opt/ghc/8.0.1/bin:/usr/sbin:/usr/bin:/sbin:/bin
 
 ADD debian-bootstrap.sh /tmp/debian-bootstrap.sh
 RUN /tmp/debian-bootstrap.sh && rm /tmp/debian-bootstrap.sh
diff --git a/build-constraints.yaml b/build-constraints.yaml
index f0f9557d..e88c91ca 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1,4 +1,4 @@
-ghc-major-version: "7.10"
+ghc-major-version: "8.0"
 # Constraints for brand new builds
 packages:
     "alpheccar <misc@alpheccar.org> @alpheccar":
@@ -2285,7 +2285,7 @@ packages:
         - hw-prim < 0.0.0.11
 
         # Need to always match the version shipped with GHC
-        - Win32 == 2.3.1.0
+        - Win32 == 2.3.1.1
 
         # https://github.com/fpco/stackage/issues/1446
         - megaparsec < 5.0.0
diff --git a/check b/check
index d72aa5b3..c25c3c4a 100755
--- a/check
+++ b/check
@@ -2,4 +2,5 @@
 
 # Convenience script for checking constraints locally
 
-exec stack exec --resolver ghc-7.10.3 stackage-curator check
+cd `dirname $0`
+exec stack exec --resolver ghc-8.0.1 stackage-curator check
diff --git a/debian-bootstrap.sh b/debian-bootstrap.sh
index f297de94..36768586 100755
--- a/debian-bootstrap.sh
+++ b/debian-bootstrap.sh
@@ -31,8 +31,8 @@ echo 'deb http://download.fpcomplete.com/ubuntu xenial main'|tee /etc/apt/source
 apt-get update
 apt-get install -y \
     build-essential \
-    ghc-7.10.3 \
-    ghc-7.10.3-htmldocs \
+    ghc-8.0.1 \
+    ghc-8.0.1-htmldocs \
     hscolour \
     sudo \
     curl \