diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 04b534d4..a5e6bb54 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,8 +1,8 @@
 {
   ".": "0.0.0",
-  "tap_aggregator": "0.5.3",
+  "tap_aggregator": "0.5.4",
   "tap_core": "4.1.2",
-  "tap_integration_tests": "0.1.18",
+  "tap_integration_tests": "0.1.19",
   "tap_eip712_message": "0.2.1",
   "tap_graph": "0.3.2",
   "tap_receipt": "1.1.2"
diff --git a/tap_aggregator/CHANGELOG.md b/tap_aggregator/CHANGELOG.md
index b678b80d..0bd5096c 100644
--- a/tap_aggregator/CHANGELOG.md
+++ b/tap_aggregator/CHANGELOG.md
@@ -25,6 +25,13 @@
     * tap_core bumped from 3.0.0 to 3.0.1
     * tap_graph bumped from 0.1.0 to 0.2.0
 
+## [0.5.4](https://github.com/semiotic-ai/timeline-aggregation-protocol/compare/tap_aggregator-v0.5.3...tap_aggregator-v0.5.4) (2025-05-21)
+
+
+### Bug Fixes
+
+* add layer to set concurrent limits for gRPC ([d539df4](https://github.com/semiotic-ai/timeline-aggregation-protocol/commit/d539df466ae3a99bee53a392ff6f078b8d8edcc6))
+
 ## [0.5.3](https://github.com/semiotic-ai/timeline-aggregation-protocol/compare/tap_aggregator-v0.5.2...tap_aggregator-v0.5.3) (2025-05-19)
 
 
diff --git a/tap_aggregator/Cargo.toml b/tap_aggregator/Cargo.toml
index f464a772..57c161f4 100644
--- a/tap_aggregator/Cargo.toml
+++ b/tap_aggregator/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tap_aggregator"
-version = "0.5.3"
+version = "0.5.4"
 edition.workspace = true
 license.workspace = true
 repository.workspace = true
diff --git a/tap_integration_tests/Cargo.toml b/tap_integration_tests/Cargo.toml
index 450db459..c7c75bed 100644
--- a/tap_integration_tests/Cargo.toml
+++ b/tap_integration_tests/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tap_integration_tests"
-version = "0.1.18"
+version = "0.1.19"
 edition.workspace = true
 license.workspace = true
 repository.workspace = true