diff --git a/apps/zui/package.json b/apps/zui/package.json
index dae332cb18..399a5efa2d 100644
--- a/apps/zui/package.json
+++ b/apps/zui/package.json
@@ -72,7 +72,7 @@
     "acorn": "^7.4.1",
     "ajv": "^6.9.1",
     "animejs": "^3.2.0",
-    "brimcap": "brimdata/brimcap#v1.5.2",
+    "brimcap": "brimdata/brimcap#3a7537e6ad7efefc9c25bed091a556317074a204",
     "chalk": "^4.1.0",
     "chevrotain": "^10.5.0",
     "chrono-node": "^2.5.0",
diff --git a/yarn.lock b/yarn.lock
index 467cc2159b..8dc29ab880 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6308,12 +6308,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"brimcap@brimdata/brimcap#v1.5.2":
+"brimcap@brimdata/brimcap#3a7537e6ad7efefc9c25bed091a556317074a204":
   version: 1.1.2
-  resolution: "brimcap@https://github.com/brimdata/brimcap.git#commit=56ba70dd5f9aa699ca2fc1b64053f8befd79b9a1"
+  resolution: "brimcap@https://github.com/brimdata/brimcap.git#commit=3a7537e6ad7efefc9c25bed091a556317074a204"
   bin:
     brimcap: build/dist/brimcap
-  checksum: 737dd82be0fe8bd2b6b6e5b89683a9cd777b3226a577d638f12e3935f096c8ffb8c672e084363224dbb670e43c94cf29808609e9a122c55d10f5e39e851538ae
+  checksum: d902ee60dade9e4fc24f825799dce0c9ad6ec711c969166f62c766763e17d09538944f3840bc0e4604dfe53ab52da78f87b22b8739480bbf6d5aa64a8075f5a1
   languageName: node
   linkType: hard
 
@@ -18147,7 +18147,7 @@ __metadata:
     acorn: ^7.4.1
     ajv: ^6.9.1
     animejs: ^3.2.0
-    brimcap: "brimdata/brimcap#v1.5.2"
+    brimcap: "brimdata/brimcap#3a7537e6ad7efefc9c25bed091a556317074a204"
     chalk: ^4.1.0
     chevrotain: ^10.5.0
     chrono-node: ^2.5.0