diff --git a/chart-svg.cabal b/chart-svg.cabal
--- a/chart-svg.cabal
+++ b/chart-svg.cabal
@@ -1,6 +1,6 @@
 cabal-version: 3.0
 name: chart-svg
-version: 0.8.3.0
+version: 0.8.3.1
 license: BSD-3-Clause
 license-file: LICENSE
 copyright: Tony Day (c) 2017
@@ -94,7 +94,6 @@
     numhask-space >=0.10 && <0.14,
     optics-core >=0.4 && <0.5,
     random >=1.2 && <1.4,
-    string-interpolate >=0.3 && <0.5,
     text >=1.2 && <2.2,
     time >=1.9 && <1.15,
 
