diff --git a/haproxy-ddos-protection-configurator/pyproject.toml b/haproxy-ddos-protection-configurator/pyproject.toml
index eb169a10..626305e2 100644
--- a/haproxy-ddos-protection-configurator/pyproject.toml
+++ b/haproxy-ddos-protection-configurator/pyproject.toml
@@ -46,7 +46,7 @@ integration = [
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   "jubilant==1.8.0",
   "juju==3.6.1.3",
-  "protobuf==6.33.6",
+  "protobuf==7.34.1",
   "pytest",
   "pytest-asyncio",
   "pytest-operator",
diff --git a/haproxy-ddos-protection-configurator/uv.lock b/haproxy-ddos-protection-configurator/uv.lock
index 552f9c6c..07237efd 100644
--- a/haproxy-ddos-protection-configurator/uv.lock
+++ b/haproxy-ddos-protection-configurator/uv.lock
@@ -600,7 +600,7 @@ integration = [
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+    { name = "protobuf", specifier = "==7.34.1" },
     { name = "pytest" },
     { name = "pytest-asyncio" },
     { name = "pytest-operator" },
@@ -1221,17 +1221,17 @@ wheels = [
 
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 [[package]]
diff --git a/haproxy-operator/pyproject.toml b/haproxy-operator/pyproject.toml
index 7fe20f78..af42e91e 100644
--- a/haproxy-operator/pyproject.toml
+++ b/haproxy-operator/pyproject.toml
@@ -54,7 +54,7 @@ integration = [
   "jinja2==3.1.6",
   "jubilant==1.8.0",
   "juju==3.6.1.3",
-  "protobuf==6.33.6",
+  "protobuf==7.34.1",
   "playwright==1.58.0",
   "pytest",
   "pytest-asyncio",
diff --git a/pyproject.toml b/pyproject.toml
index c343e1e7..212cc560 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,7 +32,7 @@ integration = [
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   "jubilant==1.8.0",
   "juju==3.6.1.3",
-  "protobuf==6.33.6",
+  "protobuf==7.34.1",
   "playwright==1.58.0",
   "pytest",
   "pytest-asyncio",
diff --git a/uv.lock b/uv.lock
index 957a35fb..331c6dec 100644
--- a/uv.lock
+++ b/uv.lock
@@ -515,7 +515,7 @@ integration = [
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+    { name = "protobuf", specifier = "==7.34.1" },
     { name = "pytest" },
     { name = "pytest-asyncio" },
     { name = "pytest-operator" },
@@ -1124,17 +1124,17 @@ wheels = [
 
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