diff --git a/backend-api/pyproject.toml b/backend-api/pyproject.toml
index ade4478..bbca031 100644
--- a/backend-api/pyproject.toml
+++ b/backend-api/pyproject.toml
@@ -3,31 +3,31 @@ name = "mimeme-backend-api"
 version = "0.1.0"
 requires-python = ">=3.11,<3.14"
 dependencies = [
-    "boto3>=1.40.59",
-    "imagehash>=4.3.2",
-    "pillow>=12.0.0",
-    "pydantic>=2.7",
-    "pydantic-settings>=2.12.0",
-    "sqlalchemy>=2.0",
-    "alembic>=1.13",
-    "psycopg2-binary>=2.9",
-    "transformers>=4.45",
-    "einops>=0.8.1",
-    "accelerate>=0.34",
+    "boto3==1.42.55",
+    "imagehash==4.3.2",
+    "pillow==12.1.1",
+    "pydantic==2.12.5",
+    "pydantic-settings==2.13.1",
+    "sqlalchemy==2.0.46",
+    "alembic==1.18.4",
+    "psycopg2-binary==2.9.11",
+    "transformers==5.2.0",
+    "einops==0.8.2",
+    "accelerate==1.12.0",
     "torch==2.9.0",
-    "numpy>=2.0",
+    "numpy==2.4.2",
     "bitsandbytes==0.48.2",
     "torchvision==0.24.0",
-    "fastapi[standard]>=0.133.1",
-    "uvicorn[standard]>=0.38.0",
-    "httpx>=0.28.1",
-    "pyvips>=2.2.3",
-    "faiss-cpu>=1.13.0",
-    "structlog>=25.5.0",
-    "temporalio>=1.9.0",
-    "modal>=0.73",
-    "slowapi>=0.1.9",
-    "axiom-py>=0.10.0",
+    "fastapi[standard]==0.133.1",
+    "uvicorn[standard]==0.41.0",
+    "httpx==0.28.1",
+    "pyvips==3.1.1",
+    "faiss-cpu==1.13.2",
+    "structlog==25.5.0",
+    "temporalio==1.23.0",
+    "modal==1.3.4",
+    "slowapi==0.1.9",
+    "axiom-py==0.10.0",
 ]
 
 [project.scripts]
@@ -43,13 +43,13 @@ packages = ["src/activities", "src/api", "src/modal_app", "src/shared", "src/wor
 
 [dependency-groups]
 dev = [
-    "ipykernel>=7.2.0",
-    "matplotlib>=3.10.8",
-    "nbstripout>=0.9.1",
-    "pandas>=3.0.0",
-    "ruff>=0.14.6",
-    "seaborn>=0.13.2",
-    "types-boto3-custom",
+    "ipykernel==7.2.0",
+    "matplotlib==3.10.8",
+    "nbstripout==0.9.1",
+    "pandas==3.0.1",
+    "ruff==0.15.2",
+    "seaborn==0.13.2",
+    "types-boto3-custom==1.40.59",
 ]
 
 [tool.ruff]
diff --git a/backend-api/uv.lock b/backend-api/uv.lock
index 736620d..effa0be 100644
--- a/backend-api/uv.lock
+++ b/backend-api/uv.lock
@@ -1,5 +1,5 @@
 version = 1
-revision = 3
+revision = 2
 requires-python = ">=3.11, <3.14"
 resolution-markers = [
     "python_full_version >= '3.13' and sys_platform == 'win32'",
@@ -1526,41 +1526,41 @@ dev = [
 
 [package.metadata]
 requires-dist = [
-    { name = "accelerate", specifier = ">=0.34" },
-    { name = "alembic", specifier = ">=1.13" },
-    { name = "axiom-py", specifier = ">=0.10.0" },
+    { name = "accelerate", specifier = "==1.12.0" },
+    { name = "alembic", specifier = "==1.18.4" },
+    { name = "axiom-py", specifier = "==0.10.0" },
     { name = "bitsandbytes", specifier = "==0.48.2" },
-    { name = "boto3", specifier = ">=1.40.59" },
-    { name = "einops", specifier = ">=0.8.1" },
-    { name = "faiss-cpu", specifier = ">=1.13.0" },
-    { name = "fastapi", extras = ["standard"], specifier = ">=0.133.1" },
-    { name = "httpx", specifier = ">=0.28.1" },
-    { name = "imagehash", specifier = ">=4.3.2" },
-    { name = "modal", specifier = ">=0.73" },
-    { name = "numpy", specifier = ">=2.0" },
-    { name = "pillow", specifier = ">=12.0.0" },
-    { name = "psycopg2-binary", specifier = ">=2.9" },
-    { name = "pydantic", specifier = ">=2.7" },
-    { name = "pydantic-settings", specifier = ">=2.12.0" },
-    { name = "pyvips", specifier = ">=2.2.3" },
-    { name = "slowapi", specifier = ">=0.1.9" },
-    { name = "sqlalchemy", specifier = ">=2.0" },
-    { name = "structlog", specifier = ">=25.5.0" },
-    { name = "temporalio", specifier = ">=1.9.0" },
+    { name = "boto3", specifier = "==1.42.55" },
+    { name = "einops", specifier = "==0.8.2" },
+    { name = "faiss-cpu", specifier = "==1.13.2" },
+    { name = "fastapi", extras = ["standard"], specifier = "==0.133.1" },
+    { name = "httpx", specifier = "==0.28.1" },
+    { name = "imagehash", specifier = "==4.3.2" },
+    { name = "modal", specifier = "==1.3.4" },
+    { name = "numpy", specifier = "==2.4.2" },
+    { name = "pillow", specifier = "==12.1.1" },
+    { name = "psycopg2-binary", specifier = "==2.9.11" },
+    { name = "pydantic", specifier = "==2.12.5" },
+    { name = "pydantic-settings", specifier = "==2.13.1" },
+    { name = "pyvips", specifier = "==3.1.1" },
+    { name = "slowapi", specifier = "==0.1.9" },
+    { name = "sqlalchemy", specifier = "==2.0.46" },
+    { name = "structlog", specifier = "==25.5.0" },
+    { name = "temporalio", specifier = "==1.23.0" },
     { name = "torch", specifier = "==2.9.0" },
     { name = "torchvision", specifier = "==0.24.0" },
-    { name = "transformers", specifier = ">=4.45" },
-    { name = "uvicorn", extras = ["standard"], specifier = ">=0.38.0" },
+    { name = "transformers", specifier = "==5.2.0" },
+    { name = "uvicorn", extras = ["standard"], specifier = "==0.41.0" },
 ]
 
 [package.metadata.requires-dev]
 dev = [
-    { name = "ipykernel", specifier = ">=7.2.0" },
-    { name = "matplotlib", specifier = ">=3.10.8" },
-    { name = "nbstripout", specifier = ">=0.9.1" },
-    { name = "pandas", specifier = ">=3.0.0" },
-    { name = "ruff", specifier = ">=0.14.6" },
-    { name = "seaborn", specifier = ">=0.13.2" },
+    { name = "ipykernel", specifier = "==7.2.0" },
+    { name = "matplotlib", specifier = "==3.10.8" },
+    { name = "nbstripout", specifier = "==0.9.1" },
+    { name = "pandas", specifier = "==3.0.1" },
+    { name = "ruff", specifier = "==0.15.2" },
+    { name = "seaborn", specifier = "==0.13.2" },
     { name = "types-boto3-custom", path = "vendored/types_boto3_custom-1.40.59-py3-none-any.whl" },
 ]