diff --git a/project/dependencies.py b/project/dependencies.py
index cb62df7..08e9a56 100644
--- a/project/dependencies.py
+++ b/project/dependencies.py
@@ -114,10 +114,24 @@ def get_client_id(
         raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="JWT is malformed")
 
 
+@lru_cache
+def get_ssl_context(
+    settings: Annotated[Settings, Depends(get_settings)],
+):
+    # see https://www.python-httpx.org/advanced/ssl/#configuring-client-instances
+    ctx = truststore.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
+    if settings.extra_ca_certs is not None:
+        ctx.load_verify_locations(cafile=settings.extra_ca_certs)
+    return ctx
+
+
 ProxyMount = dict[str, httpx.HTTPTransport] | None
 
 
-def get_proxy_mounts(settings: Annotated[Settings, Depends(get_settings)]):
+def get_proxy_mounts(
+    settings: Annotated[Settings, Depends(get_settings)],
+    ssl_context: Annotated[ssl.SSLContext, Depends(get_ssl_context)],
+):
     proxy = settings.proxy
     proxy_mounts = {}
 
@@ -127,7 +141,7 @@ def get_proxy_mounts(settings: Annotated[Settings, Depends(get_settings)]):
     if http_proxy_set and https_proxy_set:
         # if two urls are provided, set them for each mode of transport individually
         proxy_mounts["http://"] = httpx.HTTPTransport(proxy=str(proxy.http_url))
-        proxy_mounts["https://"] = httpx.HTTPTransport(proxy=str(proxy.https_url))
+        proxy_mounts["https://"] = httpx.HTTPTransport(proxy=str(proxy.https_url), verify=ssl_context)
     elif not http_proxy_set and not https_proxy_set:
         # if no urls are provided, do nothing
         pass
@@ -136,7 +150,7 @@ def get_proxy_mounts(settings: Annotated[Settings, Depends(get_settings)]):
         proxy_url = str(proxy.http_url) if http_proxy_set else str(proxy.https_url)
 
         proxy_mounts["http://"] = httpx.HTTPTransport(proxy=proxy_url)
-        proxy_mounts["https://"] = httpx.HTTPTransport(proxy=proxy_url)
+        proxy_mounts["https://"] = httpx.HTTPTransport(proxy=proxy_url, verify=ssl_context)
 
     if len(proxy_mounts) == 0:
         return None
@@ -144,17 +158,6 @@ def get_proxy_mounts(settings: Annotated[Settings, Depends(get_settings)]):
     return proxy_mounts
 
 
-@lru_cache
-def get_ssl_context(
-    settings: Annotated[Settings, Depends(get_settings)],
-):
-    # see https://www.python-httpx.org/advanced/ssl/#configuring-client-instances
-    ctx = truststore.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
-    if settings.extra_ca_certs is not None:
-        ctx.load_verify_locations(cafile=settings.extra_ca_certs)
-    return ctx
-
-
 def get_flame_hub_auth_flow(
     settings: Annotated[Settings, Depends(get_settings)],
     ssl_context: Annotated[ssl.SSLContext, Depends(get_ssl_context)],