diff --git a/deps.txt b/deps.txt
index 67b0a05..7e0d8e1 100644
--- a/deps.txt
+++ b/deps.txt
@@ -1,5 +1,5 @@
 # External dependencies.
-aksharamukha>=2.1,<3
+aksharamukha>=2.2,<3
 camel-tools>=1.5
 funcy>=1.15,<2
 pymarc>=4.0,<5