diff --git a/ci_requirements.txt b/ci_requirements.txt
index 8b13789179..cec09a4cac 100644
--- a/ci_requirements.txt
+++ b/ci_requirements.txt
@@ -1 +1,4 @@
-
+# Prevent pip resolution-too-deep by limiting backtracking on transitive deps.
+multidict>=6.0.5
+importlib-metadata>=7.0
+gitdb>=4.0.10
diff --git a/pyproject.toml b/pyproject.toml
index 89d7639112..940c8ddaf2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,7 +52,7 @@ dependencies = [
   "opentelemetry-api>=1.27.0,<1.41",
   "opentelemetry-sdk>=1.27.0,<1.41",
   "opentelemetry-exporter-otlp-proto-http>=1.27.0,<1.41",
-  "protobuf>=4.21.1,<7.0",
+  "protobuf>=4.21.1,<8.0",
   "pulp-glue>=0.30.0,<0.39",
   "pygtrie>=2.5,<=2.5.0",
   "psycopg[binary]>=3.1.8,<3.4",  # SemVer, not explicitely stated, but mentioned on multiple changes.