diff --git a/servant-client-core/servant-client-core.cabal b/servant-client-core/servant-client-core.cabal
index 366e64e6..fde80b01 100644
--- a/servant-client-core/servant-client-core.cabal
+++ b/servant-client-core/servant-client-core.cabal
@@ -21,6 +21,7 @@ tested-with:
   GHC==8.0.2
   GHC==8.2.2
   GHC==8.4.3
+  GHC==8.6.1
 
 source-repository head
   type:              git
diff --git a/servant-client/servant-client.cabal b/servant-client/servant-client.cabal
index 9652f0c6..793d69b8 100644
--- a/servant-client/servant-client.cabal
+++ b/servant-client/servant-client.cabal
@@ -20,6 +20,7 @@ tested-with:
   GHC==8.0.2
   GHC==8.2.2
   GHC==8.4.3
+  GHC==8.6.1
 homepage:            http://haskell-servant.readthedocs.org/
 Bug-reports:         http://github.com/haskell-servant/servant/issues
 extra-source-files:
diff --git a/servant-docs/servant-docs.cabal b/servant-docs/servant-docs.cabal
index 65b94e27..83ca0435 100644
--- a/servant-docs/servant-docs.cabal
+++ b/servant-docs/servant-docs.cabal
@@ -20,6 +20,7 @@ tested-with:
   GHC==8.0.2
   GHC==8.2.2
   GHC==8.4.3
+  GHC==8.6.1
 homepage:            http://haskell-servant.readthedocs.org/
 Bug-reports:         http://github.com/haskell-servant/servant/issues
 extra-source-files:
diff --git a/servant-foreign/servant-foreign.cabal b/servant-foreign/servant-foreign.cabal
index 21fd5ed5..8498ba1f 100644
--- a/servant-foreign/servant-foreign.cabal
+++ b/servant-foreign/servant-foreign.cabal
@@ -26,6 +26,7 @@ tested-with:
   GHC==8.0.2
   GHC==8.2.2
   GHC==8.4.3
+  GHC==8.6.1
 
 source-repository head
   type: git
diff --git a/servant-server/servant-server.cabal b/servant-server/servant-server.cabal
index 34431886..b2cee9e9 100644
--- a/servant-server/servant-server.cabal
+++ b/servant-server/servant-server.cabal
@@ -25,6 +25,7 @@ tested-with:
   GHC==8.0.2
   GHC==8.2.2
   GHC==8.4.3
+  GHC==8.6.1
 extra-source-files:
   CHANGELOG.md
   README.md
diff --git a/servant/servant.cabal b/servant/servant.cabal
index fbb0ee34..f48cc494 100644
--- a/servant/servant.cabal
+++ b/servant/servant.cabal
@@ -21,6 +21,7 @@ tested-with:
   GHC==8.0.2
   GHC==8.2.2
   GHC==8.4.3
+  GHC==8.6.1
 extra-source-files:
   CHANGELOG.md
 source-repository head