diff --git a/hledger-lib/package.yaml b/hledger-lib/package.yaml
index 12bb534b2..ae3805508 100644
--- a/hledger-lib/package.yaml
+++ b/hledger-lib/package.yaml
@@ -42,7 +42,7 @@ dependencies:
 - bytestring
 - call-stack
 - cmdargs >=0.10
-- containers
+- containers >=0.5.9
 - cassava
 - cassava-megaparsec
 - data-default >=0.5
diff --git a/hledger-ui/package.yaml b/hledger-ui/package.yaml
index f644c11be..e871a24f8 100644
--- a/hledger-ui/package.yaml
+++ b/hledger-ui/package.yaml
@@ -48,7 +48,7 @@ dependencies:
 - base >=4.9 && <4.16
 - base-compat-batteries >=0.10.1 && <0.12
 - cmdargs >=0.8
-- containers
+- containers >=0.5.9
 - data-default
 - directory
 - extra >=1.6.3
diff --git a/hledger-web/package.yaml b/hledger-web/package.yaml
index b7d412653..21c4125c0 100644
--- a/hledger-web/package.yaml
+++ b/hledger-web/package.yaml
@@ -113,7 +113,7 @@ library:
   - cmdargs >=0.10
   - conduit
   - conduit-extra >=1.1
-  - containers
+  - containers >=0.5.9
   - data-default
   - Decimal >=0.5.1
   - directory >=1.2.3.0
diff --git a/hledger/package.yaml b/hledger/package.yaml
index d5ee08543..21c36b414 100644
--- a/hledger/package.yaml
+++ b/hledger/package.yaml
@@ -102,7 +102,7 @@ dependencies:
 - base-compat-batteries >=0.10.1 && <0.12
 - bytestring
 - cmdargs >=0.10
-- containers
+- containers >=0.5.9
 - data-default >=0.5
 - Decimal >=0.5.1
 - directory