diff --git a/CHANGES.markdown b/CHANGES.markdown
--- a/CHANGES.markdown
+++ b/CHANGES.markdown
@@ -1,3 +1,9 @@
+1.4.1.1 (2 Feb 2020)
+--------------------
+
+- allow `base-4.13`, `fgl-5.7`, and `containers-0.6`.
+- Test on GHC 8.6 and 8.8.
+
 1.4.1 (28 May 2018)
 -------------------
 
diff --git a/diagrams-graphviz.cabal b/diagrams-graphviz.cabal
--- a/diagrams-graphviz.cabal
+++ b/diagrams-graphviz.cabal
@@ -1,6 +1,6 @@
 name:                diagrams-graphviz
-version:             1.4.1
-synopsis:            Graph layout and drawing with GrahpViz and diagrams
+version:             1.4.1.1
+synopsis:            Graph layout and drawing with GraphViz and diagrams
 description:         Use GraphViz and diagrams together, with each doing what
                      it does best: GraphViz for laying out graphs, and diagrams
                      for drawing them.
@@ -14,7 +14,7 @@
 build-type:          Simple
 extra-source-files:  README.markdown, CHANGES.markdown
 cabal-version:       >=1.10
-Tested-with:         GHC == 7.8.4, GHC == 7.10.3, GHC == 8.0.2, GHC == 8.2.2, GHC == 8.4.2
+Tested-with:         GHC ==8.0.2 || ==8.2.2 || ==8.4.3 || ==8.6.5 || ==8.8.1
 Source-repository head
   type:     git
   location: git://github.com/diagrams/diagrams-graphviz.git
@@ -22,11 +22,11 @@
 library
   exposed-modules:     Diagrams.TwoD.GraphViz
   other-extensions:    FlexibleContexts, MultiParamTypeClasses, NoMonomorphismRestriction
-  build-depends:       base >=4.6 && < 4.12,
-                       containers >= 0.4 && < 0.6,
+  build-depends:       base >=4.6 && < 4.14,
+                       containers >= 0.4 && < 0.7,
                        diagrams-lib >= 1.3 && < 1.5,
                        graphviz >= 2999.17 && < 2999.21,
-                       fgl >= 5.5 && < 5.7,
+                       fgl >= 5.5 && < 5.8,
                        split >= 0.2 && < 0.3
   hs-source-dirs:      src
   default-language:    Haskell2010