diff --git a/biomedicus_client/pyproject.toml b/biomedicus_client/pyproject.toml
index 2ca4927e..a3925a02 100644
--- a/biomedicus_client/pyproject.toml
+++ b/biomedicus_client/pyproject.toml
@@ -36,7 +36,7 @@ classifiers = [
     'Topic :: Text Processing :: Linguistic'
 ]
 dependencies = [
-    "mtap>1.4.2",
+    "mtap==1.4.3",
     "tqdm==4.66.5",
     "importlib_resources==6.4.5",
     "pyyaml==6.0.2"
@@ -57,5 +57,5 @@ include = ["biomedicus_client*"]
 
 [tool.setuptools_scm]
 write_to = "biomedicus_client/src/biomedicus_client/version.py"
-fallback_version = "3.4.1"
+fallback_version = "3.4.3"
 root = ".."
diff --git a/pyproject.toml b/pyproject.toml
index 5d323ef0..091981e6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ classifiers = [
     'Topic :: Text Processing :: Linguistic'
 ]
 dependencies = [
-    "biomedicus_client>=3.4.2",  # We get mtap, tqdm, and importlib_resources transitively from the client
+    "biomedicus_client==3.4.3",  # We get mtap, tqdm, and importlib_resources transitively from the client
     "numpy==2.0.2",
     "regex==2024.9.11",
     "torch==2.4.1",
@@ -65,4 +65,4 @@ include = ["biomedicus*"]
 
 [tool.setuptools_scm]
 write_to = "python/biomedicus/version.py"
-fallback_version = "3.4.1"
+fallback_version = "3.4.3"