diff --git a/CHANGES.md b/CHANGES.md
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,14 +1,18 @@
 # Version History
 
-## 1.1.0.0 (October 27, 2020)
+## 1.1 (October 27, 2020)
 
-  * New `Shell` module for building shell-like interfaces.
+  - New `Shell` module for building shell-like interfaces.
 
-  * New completion helper function `completionFromList`.
+  - New completion helper function `completionFromList`.
 
-  * Update dependencies to their latest versions
+  - Update dependencies to their latest versions
 
-## 1.0.0.0 (July 27, 2020)
+  - Minor updates:
+
+    - 1.1.0.1 (October 27, 2020): Limit `optparse-applicative` to 0.16.x
+
+## 1.0 (July 27, 2020)
 
 This version is the result of a major refactoring of the code in order
 to produce an MTL-compatible library.
diff --git a/byline.cabal b/byline.cabal
--- a/byline.cabal
+++ b/byline.cabal
@@ -1,6 +1,6 @@
 cabal-version:      2.2
 name:               byline
-version:            1.1.0.0
+version:            1.1.0.1
 homepage:           https://github.com/pjones/byline
 bug-reports:        https://github.com/pjones/byline/issues
 license:            BSD-2-Clause
@@ -103,7 +103,7 @@
     , free                  ^>=5.1
     , haskeline             >=0.8  && <0.8.2
     , mtl                   >=2.1  && <2.3
-    , optparse-applicative  >=0.16
+    , optparse-applicative  ^>=0.16
     , relude                >=0.6  && <0.8
     , terminfo-hs           >=0.1  && <0.3
     , text                  >=0.11 && <1.3