diff --git a/shortbytestring.cabal b/shortbytestring.cabal
index 4b73ec4..59a0675 100644
--- a/shortbytestring.cabal
+++ b/shortbytestring.cabal
@@ -61,7 +61,7 @@ benchmark bench
     , base             >=4.9.1.0  && <5
     , bytestring       ^>=0.10.8.1
     , deepseq          ^>=1.4
-    , random           ^>=1.1
+    , random           >=1.1      && <1.3
     , shortbytestring
     , tasty-bench      ^>=0.3
 
diff --git a/stack.yaml b/stack.yaml
index aa60da9..a18e27e 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -4,6 +4,6 @@ packages:
 
 extra-deps:
 - word16-0.1.0.0@sha256:b15315a8572aafa05cdccecbe17b22cd89d33d7bbd7a86ac2003ae58686d99af,1549
-- random-1.1@sha256:7b67624fd76ddf97c206de0801dc7e888097e9d572974be9b9ea6551d76965df,1777
+- random-1.2.0@sha256:195506fedaa7c31c1fa2a747e9b49b4a5d1f0b09dd8f1291f23a771656faeec3,6097
 - tasty-bench-0.3@sha256:f747a2dc8f7235d978a5ec71dbf347a2d4289617884e569e638590ab15ea6a68,1533