diff --git a/cluster/Dockerfile b/cluster/Dockerfile
index e222f084..9089e92f 100644
--- a/cluster/Dockerfile
+++ b/cluster/Dockerfile
@@ -1,7 +1,7 @@
 FROM ocaml/opam:debian-ocaml-4.13 AS build
 RUN sudo apt-get update && sudo apt-get install libc6-dev libev-dev capnproto m4 pkg-config libsqlite3-dev libgmp-dev libffi-dev -y --no-install-recommends
 RUN opam remote add origin 'https://opam.ocaml.org' --all-switches && opam remote remove default && opam update
-RUN opam install dune>=2.8 ppx_expect>=v0.14.1 prometheus ppx_sexp_conv dune-build-info lwt>=5.4.1 capnp-rpc-lwt>=1.2 capnp-rpc-net capnp-rpc-unix>=1.2 extunix>=0.3.2 logs conf-libev digestif>=0.8 fpath lwt-dllist prometheus-app>=1.1 cohttp-lwt-unix sqlite3 psq mirage-crypto>=0.8.5 ppx_deriving ppx_deriving_yojson astring fmt>=0.8.9 cmdliner tar-unix>=2.0.0 yojson sexplib sha
+RUN opam install dune>=2.8 ppx_expect>=v0.14.1 prometheus ppx_sexp_conv dune-build-info lwt>=5.4.1 capnp-rpc-lwt>=1.2 capnp-rpc-net capnp-rpc-unix>=1.2 extunix>=0.3.2 logs conf-libev digestif>=0.8 fpath lwt-dllist prometheus-app=1.1 cohttp-lwt-unix sqlite3 psq mirage-crypto>=0.8.5 ppx_deriving ppx_deriving_yojson astring fmt>=0.8.9 cmdliner tar-unix>=2.0.0 yojson sexplib sha
 RUN mkdir src && cd src && git clone 'https://github.com/ocurrent/ocluster' && opam pin -yn ocluster
 RUN cd src && git clone 'https://github.com/ocurrent/obuilder' && opam pin -yn obuilder
 WORKDIR src/ocluster
diff --git a/current-bench.opam b/current-bench.opam
index 7a4013b9..31554c7b 100644
--- a/current-bench.opam
+++ b/current-bench.opam
@@ -34,6 +34,7 @@ depends: [
   "fpath"
   "logs"
   "postgresql"
+  "prometheus-app" {= "1.1"}
   "rresult"
   "omigrate"
   "timere"
diff --git a/local-test-repo/Makefile b/local-test-repo/Makefile
index a9803b1c..d8c85bc0 100644
--- a/local-test-repo/Makefile
+++ b/local-test-repo/Makefile
@@ -8,19 +8,19 @@ define BENCH_DATA_B1_T1_A
       "metrics": [
 	{
 	  "name": "grammarFunctor/parsing",
-	  "value": 0.19,
+	  "value": 0.3,
 	  "units": "secs",
 	  "trend": "lower-is-better"
 	},
 	{
 	  "name": "grammarFunctor/typing",
-	  "value": 0.28,
+	  "value": 0.3,
 	  "units": "secs",
 	  "trend": "lower-is-better"
 	},
 	{
 	  "name": "grammarFunctor/generate",
-	  "value": 0.14,
+	  "value": 0.1,
 	  "units": "secs",
 	  "trend": "lower-is-better"
 	}
@@ -40,14 +40,14 @@ define BENCH_DATA_B1_T1_B
       "metrics": [
 	{
 	  "name": "ops_per_sec",
-	  "value": 690.0,
+	  "value": 650.0,
 	  "units": "num/sec",
 	  "description": "The number of awesome things done in a second",
 	  "trend": "higher-is-better"
 	},
 	{
 	  "name": "mbs_per_sec",
-	  "value": 199,
+	  "value": 189,
 	  "units": "mbps",
 	  "description": "Quantity of awesome data downloaded"
 	}
@@ -90,7 +90,3 @@ bench:
 	@echo "$$BENCH_DATA_B1_T1_B" | jq -M .
 	echo "Log message 4"
 	echo "Log message 5"
-	@echo "$$BENCH_DATA_B1_T2" | jq -M .
-	echo "Log message 6"
-	echo "Log message 7"
-	@echo "$$BENCH_DATA_3"
diff --git a/worker/cb-worker.opam b/worker/cb-worker.opam
index 733099de..904fd288 100644
--- a/worker/cb-worker.opam
+++ b/worker/cb-worker.opam
@@ -16,7 +16,7 @@ depends: [
   "ocluster-api"    {= "dev"}
   "obuilder"        {= "dev"}
   "obuilder-spec"   {= "dev"}
-  "prometheus-app"
+  "prometheus-app"  {= "1.1"}
   "fpath"
   "logs"
   "ocaml" {>= "4.08"}