diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index d3f6c82..076bf9f 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,6 +1,6 @@
 [versions]
 agp = "9.3.3"
-kotlin = "2.3.21"
+kotlin = "2.4.20"
 composeBom = "2026.09.00"
 # Material 3 expressive is still internal in material3 1.4.0, the version the
 # BOM pins. Overridden deliberately — see decisions/0003-material3-expressive.md.