diff --git a/ekg-wai.cabal b/ekg-wai.cabal
--- a/ekg-wai.cabal
+++ b/ekg-wai.cabal
@@ -1,5 +1,5 @@
 name:                ekg-wai
-version:             0.1.0.2
+version:             0.1.0.3
 synopsis:            Remote monitoring of processes
 description:
   This library lets you remotely monitor a running process over HTTP.
@@ -24,7 +24,10 @@
                      assets/bootstrap-1.4.0.css
                      examples/Basic.hs CHANGES.md
 cabal-version:       >= 1.8
-tested-with:         GHC == 8.0.2
+tested-with:         GHC == 7.10.3
+                   , GHC == 8.0.2
+                   , GHC == 8.2.2
+                   , GHC == 8.4.1
 
 library
   exposed-modules:
@@ -37,7 +40,7 @@
 
   build-depends:
     aeson,
-    base >= 4.5 && < 4.11,
+    base >= 4.8 && < 4.12,
     bytestring < 1.0,
     ekg-core >= 0.1 && < 0.2,
     ekg-json >= 0.1 && < 0.2,