diff --git a/palvelutarjotin/settings.py b/palvelutarjotin/settings.py
index 533a0daa..29c98682 100644
--- a/palvelutarjotin/settings.py
+++ b/palvelutarjotin/settings.py
@@ -338,7 +338,7 @@ def sentry_traces_sampler(sampling_context: SamplingContext) -> float:
 AUTHENTICATION_BACKENDS = [
     "axes.backends.AxesBackend",
     "helusers.tunnistamo_oidc.TunnistamoOIDCAuth",  # For django-admin Keycloak login
-    "django.contrib.auth.backends.ModelBackend",
+    "helusers.auth.HelusersModelBackend",
     "palvelutarjotin.oidc.BrowserTestAwareJWTAuthentication",
     "palvelutarjotin.oidc.GraphQLApiTokenAuthentication",
 ]
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 4a318e8f..82fae2d6 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -379,9 +379,9 @@ parameterized==0.9.0 \
     --hash=sha256:4e0758e3d41bea3bbd05ec14fc2c24736723f243b28d702081aef438c9372b1b \
     --hash=sha256:7fc905272cefa4f364c1a3429cbbe9c0f98b793988efb5bf90aac80f08db09b1
     # via -r requirements-dev.in
-pip-tools==7.5.2 \
-    --hash=sha256:2d64d72da6a044da1110257d333960563d7a4743637e8617dd2610ae7b82d60f \
-    --hash=sha256:2fe16db727bbe5bf28765aeb581e792e61be51fc275545ef6725374ad720a1ce
+pip-tools==7.5.3 \
+    --hash=sha256:3aac0c473240ae90db7213c033401f345b05197293ccbdd2704e52e7a783785e \
+    --hash=sha256:8fa364779ebc010cbfe17cb9de404457ac733e100840423f28f6955de7742d41
     # via -r requirements-dev.in
 pluggy==1.6.0 \
     --hash=sha256:7dcc130b76258d33b90f61b658791dede3486c3e6bfb003ee5c9bfb396dd22f3 \
diff --git a/requirements.txt b/requirements.txt
index 5885ebed..621ffacf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -348,9 +348,9 @@ django-health-check==3.20.0 \
     --hash=sha256:bcb2b8f36f463cead0564a028345c5b17e2a2d18e9cc88ecd611b13a26521926 \
     --hash=sha256:cd69ac5facf73fe7241d9492d939b57bd20e24f46c4edea91e6a900bf22c2d8e
     # via -r requirements.in
-django-helusers==0.14.0 \
-    --hash=sha256:424f97e7aa6792ae255de56344f765795444849ea82e9d4e01666494c28e960c \
-    --hash=sha256:79b922d51278a9e9793a00279782e5455b72e9e9d0f261dd17be2f0dbcbaa1f9
+django-helusers==1.0.0 \
+    --hash=sha256:0e33e238347a4088927675574a7dad179ee1f9d9e958daecfa4862ad6f63f79c \
+    --hash=sha256:c18ff8ff0ff8fb72c2b802e005c680d4d477273b705a5c524aaff31c665d8e25
     # via
     #   -r requirements.in
     #   helsinki-profile-gdpr-api