diff --git a/.gitea/workflows/ci.yaml b/.gitea/workflows/ci.yaml
index 1a52674b..795de59e 100644
--- a/.gitea/workflows/ci.yaml
+++ b/.gitea/workflows/ci.yaml
@@ -32,6 +32,7 @@ jobs:
           export SKIP_ENV_VALIDATION=1
           export ARGON2_MEMORY_SIZE=1024
           export ARGON2_ITERATIONS=1
+          export BCRYPT_ROUNDS=4
           pnpm install --frozen-lockfile
           pnpm prisma:generate
           pnpm biome:lint
diff --git a/.gitea/workflows/deploy.yaml b/.gitea/workflows/deploy.yaml
index 0c63867c..86935aab 100644
--- a/.gitea/workflows/deploy.yaml
+++ b/.gitea/workflows/deploy.yaml
@@ -307,7 +307,7 @@ jobs:
           pnpm install --frozen-lockfile
           # prisma generate does not need a live DB connection.
           pnpm prisma:generate
-          export ARGON2_MEMORY_SIZE=1024 ARGON2_ITERATIONS=1
+          export ARGON2_MEMORY_SIZE=1024 ARGON2_ITERATIONS=1 BCRYPT_ROUNDS=4
           pnpm typecheck
           pnpm test
           # Validate production env (AUTH_SECRET, DATABASE_URL, …) during build.