diff --git a/pyproject.toml b/pyproject.toml
index 86406707..b1316582 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ dependencies = [
   "parsimonious<0.11.0,>=0.10.0",
   "platformdirs<5.0.0,>=4.3.6",
   "portion<3.0.0,>=2.6.0",
-  "proto-plus<2.0.0,>=1.25.0",
+  "proto-plus<2.0.0,>=1.26.0",
   "pydantic<3.0.0,>=2.10.6",
   "pydantic-extra-types<3.0.0,>=2.10.2",
   "pydantic-settings[yaml]<3.0.0,>=2.7.1",
diff --git a/uv.lock b/uv.lock
index 151a0535..0480d0c3 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1565,7 +1565,7 @@ requires-dist = [
     { name = "parsimonious", specifier = ">=0.10.0,<0.11.0" },
     { name = "platformdirs", specifier = ">=4.3.6,<5.0.0" },
     { name = "portion", specifier = ">=2.6.0,<3.0.0" },
-    { name = "proto-plus", specifier = ">=1.25.0,<2.0.0" },
+    { name = "proto-plus", specifier = ">=1.26.0,<2.0.0" },
     { name = "pydantic", specifier = ">=2.10.6,<3.0.0" },
     { name = "pydantic-extra-types", specifier = ">=2.10.2,<3.0.0" },
     { name = "pydantic-settings", extras = ["yaml"], specifier = ">=2.7.1,<3.0.0" },
@@ -2577,14 +2577,14 @@ wheels = [
 
 [[package]]
 name = "proto-plus"
-version = "1.25.0"
+version = "1.26.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "protobuf" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/7e/05/74417b2061e1bf1b82776037cad97094228fa1c1b6e82d08a78d3fb6ddb6/proto_plus-1.25.0.tar.gz", hash = "sha256:fbb17f57f7bd05a68b7707e745e26528b0b3c34e378db91eef93912c54982d91", size = 56124 }
+sdist = { url = "https://files.pythonhosted.org/packages/26/79/a5c6cbb42268cfd3ddc652dc526889044a8798c688a03ff58e5e92b743c8/proto_plus-1.26.0.tar.gz", hash = "sha256:6e93d5f5ca267b54300880fff156b6a3386b3fa3f43b1da62e680fc0c586ef22", size = 56136 }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/dd/25/0b7cc838ae3d76d46539020ec39fc92bfc9acc29367e58fe912702c2a79e/proto_plus-1.25.0-py3-none-any.whl", hash = "sha256:c91fc4a65074ade8e458e95ef8bac34d4008daa7cce4a12d6707066fca648961", size = 50126 },
+    { url = "https://files.pythonhosted.org/packages/42/c3/59308ccc07b34980f9d532f7afc718a9f32b40e52cde7a740df8d55632fb/proto_plus-1.26.0-py3-none-any.whl", hash = "sha256:bf2dfaa3da281fc3187d12d224c707cb57214fb2c22ba854eb0c105a3fb2d4d7", size = 50166 },
 ]
 
 [[package]]