diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 6a9c0c0..b567068 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -11,7 +11,7 @@ binaryCompatibilityValidator = "0.18.1"
 # JVM-side WebAssembly runtime for Graphviz rendering. See
 # skainet-notebook-extensions/src/jvmMain/resources/sk/ainet/app/notebook/wasm/README.md
 # for how the bundled .wasm is produced.
-chasm = "1.4.8"
+chasm = "1.5.0"
 weh = "0.6.0"