diff --git a/CHANGES.markdown b/CHANGES.markdown
--- a/CHANGES.markdown
+++ b/CHANGES.markdown
@@ -1,3 +1,8 @@
+* 0.1.3 (13 Feb 2021)
+
+  Test with up through GHC 9.0
+  Allow `tasty-1.4`
+
 * 0.1.2 (5 May 2020)
 
   Improvements to stability/accuraty of `cubForm` and
diff --git a/diagrams-solve.cabal b/diagrams-solve.cabal
--- a/diagrams-solve.cabal
+++ b/diagrams-solve.cabal
@@ -1,5 +1,5 @@
 name:                diagrams-solve
-version:             0.1.2
+version:             0.1.3
 synopsis:            Pure Haskell solver routines used by diagrams
 description:         Pure Haskell solver routines used by the diagrams
                      project.  Currently includes finding real roots
@@ -15,7 +15,7 @@
 build-type:          Simple
 extra-source-files:  README.markdown, CHANGES.markdown
 cabal-version:       >=1.10
-Tested-with:         GHC == 7.6.3, GHC == 7.8.4, GHC == 7.10.3, GHC == 8.0.2, GHC == 8.2.2, GHC == 8.4.3, GHC == 8.6.1, GHC == 8.8.1
+Tested-with:         GHC == 7.6.3, GHC == 7.8.4, GHC == 7.10.3, GHC == 8.0.2, GHC == 8.2.2, GHC == 8.4.3, GHC == 8.6.1, GHC == 8.8.1, GHC == 8.10.1
 Source-repository head
   type:     git
   location: http://github.com/diagrams/diagrams-solve.git
@@ -36,6 +36,6 @@
   build-depends:       base >= 4.2 && < 5.0,
                        deepseq >= 1.3 && < 1.5,
                        diagrams-solve,
-                       tasty >= 0.10 && < 1.3,
+                       tasty >= 0.10 && < 1.5,
                        tasty-hunit >= 0.9.2 && < 0.11,
                        tasty-quickcheck >= 0.8 && < 0.11