diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Change log
 
+## 0.1.0.1
+
+* Relax lower bound on `base`: 4.14.3.0 -> 4.14.0.0
+
 ## 0.1.0.0
 
 * Initial release
diff --git a/monad-logger-aeson.cabal b/monad-logger-aeson.cabal
--- a/monad-logger-aeson.cabal
+++ b/monad-logger-aeson.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           monad-logger-aeson
-version:        0.1.0.0
+version:        0.1.0.1
 synopsis:       JSON logging using monad-logger interface
 description:    @monad-logger-aeson@ provides structured JSON logging using @monad-logger@'s
                 interface.
@@ -42,7 +42,7 @@
   ghc-options: -Wall -fwarn-tabs -Wincomplete-uni-patterns -Wredundant-constraints
   build-depends:
       aeson >=1.5.6.0 && <2.1.3.0
-    , base >=4.14.3.0 && <5
+    , base >=4.14.0.0 && <5
     , bytestring >=0.10.12.0 && <0.12.0.0
     , context >=0.2.0.0 && <0.3
     , exceptions >=0.10.4 && <0.11.0
@@ -62,7 +62,7 @@
   ghc-options: -Wall -fwarn-tabs -Wincomplete-uni-patterns -Wredundant-constraints
   build-depends:
       aeson >=1.5.6.0 && <2.1.3.0
-    , base >=4.14.3.0 && <5
+    , base >=4.14.0.0 && <5
     , monad-logger >=0.3.36 && <0.4.0
     , monad-logger-aeson
     , text >=1.2.4.1 && <1.3.0.0
@@ -127,7 +127,7 @@
   build-depends:
       aeson >=1.5.6.0 && <2.1.3.0
     , aeson-diff >=1.1.0.10 && <1.2.0.0
-    , base >=4.14.3.0 && <5
+    , base >=4.14.0.0 && <5
     , bytestring >=0.10.12.0 && <0.12.0.0
     , directory >=1.3.6.0 && <1.4.0.0
     , hspec >=2.7.10 && <2.10.0
diff --git a/package.yaml b/package.yaml
--- a/package.yaml
+++ b/package.yaml
@@ -1,5 +1,5 @@
 name: monad-logger-aeson
-version: '0.1.0.0'
+version: '0.1.0.1'
 github: "jship/monad-logger-aeson"
 license: MIT
 license-file: LICENSE.md
@@ -30,7 +30,7 @@
 library:
   dependencies:
   - aeson >=1.5.6.0 && <2.1.3.0
-  - base >=4.14.3.0 && <5
+  - base >=4.14.0.0 && <5
   - bytestring >=0.10.12.0 && <0.12.0.0
   - context >=0.2.0.0 && <0.3
   - exceptions >=0.10.4 && <0.11.0
@@ -50,7 +50,7 @@
     dependencies:
     - aeson >=1.5.6.0 && <2.1.3.0
     - aeson-diff >=1.1.0.10 && <1.2.0.0
-    - base >=4.14.3.0 && <5
+    - base >=4.14.0.0 && <5
     - bytestring >=0.10.12.0 && <0.12.0.0
     - directory >=1.3.6.0 && <1.4.0.0
     - hspec >=2.7.10 && <2.10.0
@@ -64,7 +64,7 @@
     main: readme-example.hs
     dependencies:
     - aeson >=1.5.6.0 && <2.1.3.0
-    - base >=4.14.3.0 && <5
+    - base >=4.14.0.0 && <5
     - monad-logger >=0.3.36 && <0.4.0
     - monad-logger-aeson
     - text >=1.2.4.1 && <1.3.0.0