diff --git a/hledger-lib/package.yaml b/hledger-lib/package.yaml
index 376ec8cdc..12bb534b2 100644
--- a/hledger-lib/package.yaml
+++ b/hledger-lib/package.yaml
@@ -32,7 +32,7 @@ extra-source-files:
 #data-files:
 
 dependencies:
-- base >=4.9 && <4.15
+- base >=4.9 && <4.16
 - base-compat-batteries >=0.10.1 && <0.12
 - aeson >=1
 - aeson-pretty
diff --git a/hledger-ui/package.yaml b/hledger-ui/package.yaml
index e6d3e4d6a..f644c11be 100644
--- a/hledger-ui/package.yaml
+++ b/hledger-ui/package.yaml
@@ -45,7 +45,7 @@ dependencies:
 - hledger >=1.21.99 && <1.22
 - ansi-terminal >=0.9
 - async
-- base >=4.9 && <4.15
+- base >=4.9 && <4.16
 - base-compat-batteries >=0.10.1 && <0.12
 - cmdargs >=0.8
 - containers
diff --git a/hledger-web/package.yaml b/hledger-web/package.yaml
index 897782b56..b7d412653 100644
--- a/hledger-web/package.yaml
+++ b/hledger-web/package.yaml
@@ -104,7 +104,7 @@ library:
   - hledger-lib >=1.21.99 && <1.22
   - hledger >=1.21.99 && <1.22
   - aeson >=1
-  - base >=4.9 && <4.15
+  - base >=4.9 && <4.16
   - blaze-html
   - blaze-markup
   - bytestring
diff --git a/hledger/package.yaml b/hledger/package.yaml
index 13f524619..d5ee08543 100644
--- a/hledger/package.yaml
+++ b/hledger/package.yaml
@@ -98,7 +98,7 @@ dependencies:
 - hledger-lib >=1.21.99 && <1.22
 - aeson >=1
 - ansi-terminal >=0.9
-- base >=4.9 && <4.15
+- base >=4.9 && <4.16
 - base-compat-batteries >=0.10.1 && <0.12
 - bytestring
 - cmdargs >=0.10