diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 0599f97..aebb58e 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,8 +1,8 @@
 exclude: '^docs/conf.py'
 
 repos:
-- repo: git://github.com/pre-commit/pre-commit-hooks
-  rev: v4.0.1
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v4.6.0
   hooks:
   - id: trailing-whitespace
   - id: check-added-large-files
@@ -18,18 +18,18 @@ repos:
     args: ['--fix=auto']
 
 - repo: https://github.com/pycqa/isort
-  rev: 5.9.3
+  rev: 5.13.2
   hooks:
   - id: isort
 
 - repo: https://github.com/psf/black
-  rev: 21.8b0
+  rev: 24.4.2
   hooks:
   - id: black
     language_version: python3
 
-- repo: https://gitlab.com/pycqa/flake8
-  rev: 3.9.2
+- repo: https://github.com/PyCQA/flake8
+  rev: 7.1.0
   hooks:
   - id: flake8
 
diff --git a/CHANGES b/CHANGES
index f9f6aed..79655d9 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,5 +1,10 @@
 Changelog
 =========
+v0.6 (2024-12-27)
+-----------------
+
+Upgrade to beancount 3 and beangulp.
+
 
 v0.3 (2021-02-20)
 -----------------
diff --git a/setup.cfg b/setup.cfg
index 069ef3d..0e2dd27 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -31,10 +31,11 @@ packages = find:
 setup_requires =
     setuptools_scm
 install_requires =
-    beancount>=2.0.0
+    beancount>=3
     scikit-learn>=0.19
     numpy>=1.8.2
     scipy>=0.13.3
+    beangulp
 
 [options.packages.find]
 exclude =
diff --git a/smart_importer/detector.py b/smart_importer/detector.py
index b2e92a8..fff20b7 100644
--- a/smart_importer/detector.py
+++ b/smart_importer/detector.py
@@ -1,7 +1,8 @@
 """Duplicate detector hook."""
+
 import logging
 
-from beancount.ingest import similar
+from beangulp import similar
 
 from smart_importer.hooks import ImporterHook