diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 944868d..54d9325 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        ghc: ['8.6.5', '8.8.4', '8.10.7', '9.0.2']
+        ghc: ['8.6.5', '8.8.4', '8.10.7', '9.0.2', '9.8.2']
         os: ['ubuntu-latest', 'macos-latest']
     name: Haskell GHC ${{ matrix.ghc }} on ${{ matrix.os }}
     steps:
diff --git a/gargoyle-postgresql-connect/gargoyle-postgresql-connect.cabal b/gargoyle-postgresql-connect/gargoyle-postgresql-connect.cabal
index ba74f2a..e39f42a 100644
--- a/gargoyle-postgresql-connect/gargoyle-postgresql-connect.cabal
+++ b/gargoyle-postgresql-connect/gargoyle-postgresql-connect.cabal
@@ -11,20 +11,20 @@ synopsis:           Connect to gargoyle-managed postgresql instances
 extra-source-files: ChangeLog.md
 category:           System
 description:        A convenience utility for connecting to a postgresql instance managed by gargoyle.
-tested-with:        GHC ==8.6.5 || ==8.8.4 || ==8.10.7 || ==9.0.2
+tested-with:        GHC ==8.6.5 || ==8.8.4 || ==8.10.7 || ==9.0.2 || ==9.8.2
 
 library
   exposed-modules:  Gargoyle.PostgreSQL.Connect
   ghc-options:      -Wall
   ghc-prof-options: -fprof-auto-exported
   build-depends:
-      base                     >=4.12  && <4.17
+      base                     >=4.12  && <4.20
     , bytestring               >=0.10  && <0.12
     , directory                >=1.3   && <1.4
     , gargoyle                 >=0.1.1.0 && < 0.2
     , gargoyle-postgresql      >=0.2.0.1 && < 0.3
     , gargoyle-postgresql-nix  >=0.3.0.0 && < 0.4
-    , postgresql-simple        >=0.5   && <0.7
+    , postgresql-simple        >=0.5   && <0.8
     , resource-pool            >=0.2.3
 
   hs-source-dirs:   src
diff --git a/gargoyle-postgresql-nix/gargoyle-postgresql-nix.cabal b/gargoyle-postgresql-nix/gargoyle-postgresql-nix.cabal
index 23e2de2..1254c66 100644
--- a/gargoyle-postgresql-nix/gargoyle-postgresql-nix.cabal
+++ b/gargoyle-postgresql-nix/gargoyle-postgresql-nix.cabal
@@ -16,7 +16,7 @@ extra-source-files:
   README.md
   ChangeLog.md
 
-tested-with:        GHC ==8.6.5 || ==8.8.4 || ==8.10.7 || ==9.0.2
+tested-with:        GHC ==8.6.5 || ==8.8.4 || ==8.10.7 || ==9.0.2 || ==9.8.2
 
 library
   exposed-modules:  Gargoyle.PostgreSQL.Nix
@@ -24,7 +24,7 @@ library
   ghc-options:      -Wall
   ghc-prof-options: -fprof-auto-exported
   build-depends:
-      base                 >=4.12 && <4.17
+      base                 >=4.12 && <4.20
     , bytestring           >=0.10 && <0.12
     , gargoyle             >=0.1  && <0.2
     , gargoyle-postgresql  >=0.2  && <0.3
diff --git a/gargoyle-postgresql/gargoyle-postgresql.cabal b/gargoyle-postgresql/gargoyle-postgresql.cabal
index 243c835..7e87e5e 100644
--- a/gargoyle-postgresql/gargoyle-postgresql.cabal
+++ b/gargoyle-postgresql/gargoyle-postgresql.cabal
@@ -33,7 +33,7 @@ description:
   > withDb dbPath a = withGargoyle defaultPostgres dbPath $ \dbUri -> a =<< connectPostgreSQL dbUri
 
 extra-source-files: ChangeLog.md
-tested-with:        GHC ==8.6.5 || ==8.8.4 || ==8.10.7 || ==9.0.2
+tested-with:        GHC ==8.6.5 || ==8.8.4 || ==8.10.7 || ==9.0.2 || ==9.8.2
 
 -- Requires postgres to be in the environment to run
 flag enable-psql-test
@@ -45,7 +45,7 @@ library
   ghc-options:      -Wall
   ghc-prof-options: -fprof-auto-exported
   build-depends:
-      base          >=4.12  && <4.17
+      base          >=4.12  && <4.20
     , bytestring    >=0.10  && <0.12
     , directory     >=1.3   && <1.4
     , gargoyle      >=0.1.1.0 && < 0.2
diff --git a/gargoyle/gargoyle.cabal b/gargoyle/gargoyle.cabal
index 4646d3a..97869c6 100644
--- a/gargoyle/gargoyle.cabal
+++ b/gargoyle/gargoyle.cabal
@@ -22,14 +22,14 @@ extra-source-files:
   ChangeLog.md
   README.md
 
-tested-with:        GHC ==8.6.5 || ==8.8.4 || ==8.10.7 || ==9.0.2
+tested-with:        GHC ==8.6.5 || ==8.8.4 || ==8.10.7 || ==9.0.2 || ==9.8.2
 
 library
   exposed-modules:  Gargoyle
   ghc-options:      -Wall
   ghc-prof-options: -fprof-auto-exported
   build-depends:
-      base       >=4.12.0 && <4.17
+      base       >=4.12.0 && <4.20
     , directory  >=1.3.3  && <1.4
     , filelock   >=0.1.1  && <0.2
     , filepath   >=1.4.2  && <1.5