diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+0.2.6
+-----
+* `temporary 1.2` support
+
 0.2.5.1
 -------
 * Slightly faster builds due to dropping the need for `template-haskell`.
diff --git a/ersatz.cabal b/ersatz.cabal
--- a/ersatz.cabal
+++ b/ersatz.cabal
@@ -1,5 +1,5 @@
 name:           ersatz
-version:        0.2.5.1
+version:        0.2.6
 license:        BSD3
 license-file:   LICENSE
 author:         Edward A. Kmett, Johan Kiviniemi
@@ -174,7 +174,7 @@
     lens                 >= 3.8     && < 5,
     mtl                  >= 1.1     && < 2.2,
     process              >= 1.1     && < 1.3,
-    temporary            == 1.1.*,
+    temporary            >= 1.1     && < 1.3,
     transformers         == 0.3.*,
     unordered-containers == 0.2.*