diff --git a/stack-ghc7.10.yaml b/stack-ghc7.10.yaml
index dd99dc46f..5e24a3363 100644
--- a/stack-ghc7.10.yaml
+++ b/stack-ghc7.10.yaml
@@ -13,7 +13,7 @@ packages:
 #- hledger-api
 
 extra-deps:
-- easytest-0.2
+- easytest-0.2.1
 # avoid no hashable instance for AccountName from doctests
 - hashtables-1.2.3.1
 # Many newer versions to allow using the latest base-compat with all ghc versions.
diff --git a/stack-ghc8.0.yaml b/stack-ghc8.0.yaml
index d566e2b24..bb5c3f5d6 100644
--- a/stack-ghc8.0.yaml
+++ b/stack-ghc8.0.yaml
@@ -10,7 +10,7 @@ packages:
 - hledger-api
 
 extra-deps:
-- easytest-0.2
+- easytest-0.2.1
 # Many newer versions to allow using the latest base-compat with all ghc versions.
 # This is just the first workable install plan I found.
 - aeson-1.3.1.1
diff --git a/stack-ghc8.2.yaml b/stack-ghc8.2.yaml
index a579ae2e6..59508526a 100644
--- a/stack-ghc8.2.yaml
+++ b/stack-ghc8.2.yaml
@@ -10,7 +10,7 @@ packages:
 - hledger-api
 
 extra-deps:
-- easytest-0.2
+- easytest-0.2.1
 # use the latest base-compat with all ghc versions
 - aeson-1.3.1.1
 - base-compat-0.10.1
diff --git a/stack-ghc8.4.yaml b/stack-ghc8.4.yaml
index 8ce064d04..b45b6e78d 100644
--- a/stack-ghc8.4.yaml
+++ b/stack-ghc8.4.yaml
@@ -10,6 +10,7 @@ packages:
 - hledger-api
 
 extra-deps:
+- easytest-0.2.1
 - cassava-megaparsec-2.0.0
 - config-ini-0.2.3.0
 - megaparsec-7.0.2