diff --git a/scripts/build-unit-test-docker b/scripts/build-unit-test-docker
index bde9f3d..a9b5cd5 100755
--- a/scripts/build-unit-test-docker
+++ b/scripts/build-unit-test-docker
@@ -80,7 +80,7 @@
 # Packages to include in image.
 packages = {
     "boost": PackageDef(
-        rev="1.83.0",
+        rev="1.84.0",
         url=(
             lambda pkg, rev: f"https://github.com/boostorg/{pkg}/releases/download/{pkg}-{rev}/{pkg}-{rev}.tar.gz"
         ),