diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+### 0.1.0.1
+
+- Drop unused package `transformers` from dependencies.
+- Lower `cabal-version` constraint to `3.0`
+
 ### 0.1.0.0
 
 - Initial release.
diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,5 @@
-Copyright (c) 2021 Well-Typed
+Copyright (c) 2021-2025 Well-Typed
 
-All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:
@@ -13,7 +12,7 @@
       disclaimer in the documentation and/or other materials provided
       with the distribution.
 
-    * Neither the name of Oleg Grenrus nor the names of other
+    * Neither the name of the copyright holder nor the names of its
       contributors may be used to endorse or promote products derived
       from this software without specific prior written permission.
 
@@ -21,7 +20,7 @@
 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
diff --git a/eventlog-live.cabal b/eventlog-live.cabal
--- a/eventlog-live.cabal
+++ b/eventlog-live.cabal
@@ -1,6 +1,6 @@
-cabal-version:   3.12
+cabal-version:   3.0
 name:            eventlog-live
-version:         0.1.0.0
+version:         0.1.0.1
 synopsis:        Live processing of eventlog data.
 description:
   This package supports live processing of eventlog data.
@@ -30,7 +30,7 @@
 
   For more information, see [the README](https://github.com/well-typed/eventlog-live#readme).
 
-license:         AGPL-3.0-only
+license:         BSD-3-Clause
 license-file:    LICENSE
 author:          Wen Kokke
 maintainer:      wen@well-typed.com
@@ -103,7 +103,6 @@
     , hashable              >=1.4    && <1.6
     , machines              >=0.7.4  && <0.8
     , text                  >=1.2    && <2.2
-    , transformers          >=0.5.6  && <0.7
     , unordered-containers  >=0.2.20 && <0.3
 
 library options