diff --git a/hledger-interest-1.6.5.tar.gz b/hledger-interest-1.6.5.tar.gz
deleted file mode 100644
index 9401fc5..0000000
--- a/hledger-interest-1.6.5.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a15e921238fd8a5dc5814e47143db2c1dbe95828a6f4e16b8d243357e3f5d97e
-size 8565
diff --git a/hledger-interest-1.6.6.tar.gz b/hledger-interest-1.6.6.tar.gz
new file mode 100644
index 0000000..0ae4084
--- /dev/null
+++ b/hledger-interest-1.6.6.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a891f3786f0bb63818786bddffd1d67c1a265176f3fc97e76619bea7d3bb7442
+size 8578
diff --git a/hledger-interest.cabal b/hledger-interest.cabal
index 2ceaeac..22bf16f 100644
--- a/hledger-interest.cabal
+++ b/hledger-interest.cabal
@@ -1,6 +1,6 @@
 Name:                   hledger-interest
-Version:                1.6.5
-x-revision: 2
+Version:                1.6.6
+x-revision: 1
 Synopsis:               computes interest for a given account
 License:                BSD3
 License-file:           LICENSE
@@ -13,7 +13,7 @@ Cabal-version:          >= 1.10
 Extra-source-files:     README.md
 Stability:              stable
 tested-with:            GHC == 8.4.4, GHC == 8.6.5, GHC == 8.8.4, GHC == 8.10.7,
-                        GHC == 9.0.2, GHC == 9.2.5, GHC == 9.4.4
+                        GHC == 9.0.2, GHC == 9.2.8, GHC == 9.4.7, GHC == 9.6.1
 
 Description:
  hledger-interest is a small command-line utility based on Simon
@@ -120,7 +120,7 @@ Source-Repository head
 Executable hledger-interest
   default-language:     Haskell2010
   Main-is:              Main.hs
-  Build-depends:        base >= 3 && < 5, hledger-lib >= 1.26 && < 1.31, time, mtl, Cabal, Decimal, text
+  Build-depends:        base >= 3 && < 5, hledger-lib >= 1.26 && < 1.32, time, mtl, Cabal, Decimal, text
   other-modules:        Hledger.Interest
                         Hledger.Interest.DayCountConvention
                         Hledger.Interest.Rate
diff --git a/hledger-interest.changes b/hledger-interest.changes
index 280943c..4b430b8 100644
--- a/hledger-interest.changes
+++ b/hledger-interest.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon Sep  4 18:01:18 UTC 2023 - Peter Simons <psimons@suse.com>
+
+- Update hledger-interest to version 1.6.6 revision 1.
+  Upstream does not provide a change log file.
+
 -------------------------------------------------------------------
 Tue Jun  6 17:55:18 UTC 2023 - Peter Simons <psimons@suse.com>
 
diff --git a/hledger-interest.spec b/hledger-interest.spec
index fb0796a..efd2f62 100644
--- a/hledger-interest.spec
+++ b/hledger-interest.spec
@@ -17,13 +17,13 @@
 
 
 Name:           hledger-interest
-Version:        1.6.5
+Version:        1.6.6
 Release:        0
 Summary:        Computes interest for a given account
 License:        BSD-3-Clause
 URL:            https://hackage.haskell.org/package/%{name}
 Source0:        https://hackage.haskell.org/package/%{name}-%{version}/%{name}-%{version}.tar.gz
-Source1:        https://hackage.haskell.org/package/%{name}-%{version}/revision/2.cabal#/%{name}.cabal
+Source1:        https://hackage.haskell.org/package/%{name}-%{version}/revision/1.cabal#/%{name}.cabal
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-Cabal-prof
 BuildRequires:  ghc-Decimal-devel