diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for hs-speedscope
 
+## 0.1.1 -- 2019-11-07
+
+* Relax eventlog version check to allow 8.9
+
 ## 0.1 -- 2019-10-29
 
 * Initial release
diff --git a/hs-speedscope.cabal b/hs-speedscope.cabal
--- a/hs-speedscope.cabal
+++ b/hs-speedscope.cabal
@@ -4,7 +4,7 @@
 -- http://haskell.org/cabal/users-guide/
 
 name:                hs-speedscope
-version:             0.1.0.0
+version:             0.1.1.0
 synopsis: Convert an eventlog into the speedscope json format
 description: Convert an eventlog into the speedscope json format. The interactive visualisation
              displays an approximate trace of the program and summary views akin to .prof files.
diff --git a/src/HsSpeedscope.hs b/src/HsSpeedscope.hs
--- a/src/HsSpeedscope.hs
+++ b/src/HsSpeedscope.hs
@@ -31,7 +31,7 @@
 convertToSpeedscope :: EventLog -> Value
 convertToSpeedscope (EventLog _h (Data es)) =
   case el_version of
-    Just (ghc_version, _) | ghc_version <= makeVersion [8,9,0]  ->
+    Just (ghc_version, _) | ghc_version < makeVersion [8,9,0]  ->
       error ("Eventlog is from ghc-" ++ showVersion ghc_version ++ " hs-speedscope only works with GHC 8.10 or later")
     _ -> object [ "version" .= ("0.0.1" :: String)
                 , "$schema" .= ("https://www.speedscope.app/file-format-schema.json" :: String)
@@ -46,6 +46,7 @@
       foldr processEvents initEL es
 
     initEL = EL Nothing Nothing Nothing [] []
+
 
     version_string :: String
     version_string = "hs-speedscope@" ++ showVersion Paths.version