diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -77,6 +77,10 @@
 
 * Added additional FM-index functionality for the locate operation.
 
-## 0.1.0.19
+## 0.1.0.19 -- 2022-12-03
 
 * Reworked FM-index functions.
+
+## 0.1.0.20 -- 2022-12-03
+
+* Added missing date to 0.1.0.19 entry in changelog.
diff --git a/text-compression.cabal b/text-compression.cabal
--- a/text-compression.cabal
+++ b/text-compression.cabal
@@ -20,7 +20,7 @@
 -- PVP summary:     +-+------- breaking API changes
 --                  | | +----- non-breaking API additions
 --                  | | | +--- code changes with no API change
-version:            0.1.0.19
+version:            0.1.0.20
 
 -- A short (one-line) description of the package.
 synopsis:           A text compression library.