diff --git a/db/posthooks.go b/db/posthooks.go
index 3b6b1e3ffafda9916fa06eb5da9ab81ca008af7a..e9823a0d4214af50e1e0bb35d7d45ccacfc2a7cd 100644
--- a/db/posthooks.go
+++ b/db/posthooks.go
@@ -51,6 +51,10 @@ func generateAndInsertProjectIDs(tx *sql.Tx) error {
 		}
 	}
 
+	if err := rows.Err(); err != nil {
+		return fmt.Errorf("failed to iterate over rows: %w", err)
+	}
+
 	if _, err := tx.Exec("DROP TABLE projects_tmp"); err != nil {
 		return fmt.Errorf("failed to drop projects_tmp: %w", err)
 	}
@@ -89,5 +93,9 @@ func correctProjectIDs(tx *sql.Tx) error {
 		}
 	}
 
+	if err := rows.Err(); err != nil {
+		return fmt.Errorf("failed to iterate over rows: %w", err)
+	}
+
 	return nil
 }
diff --git a/db/project.go b/db/project.go
index 085fbc1075ac92c8de47a869dc211e981967ef5c..a47fa8407feae2d0b1dbb4e05e3dac27393aa031 100644
--- a/db/project.go
+++ b/db/project.go
@@ -94,5 +94,9 @@ func GetProjects(db *sql.DB) ([]map[string]string, error) {
 		projects = append(projects, project)
 	}
 
+	if err = rows.Err(); err != nil {
+		return nil, fmt.Errorf("failed to iterate over rows: %w", err)
+	}
+
 	return projects, nil
 }
diff --git a/db/release.go b/db/release.go
index e8c21a68535b6879d8fdf274060be2da86a3be3d..f88d9ec35d809ef9cb49f59b8df5a5018ba54248 100644
--- a/db/release.go
+++ b/db/release.go
@@ -65,5 +65,9 @@ func GetReleases(db *sql.DB, projectID string) ([]map[string]string, error) {
 		})
 	}
 
+	if err := rows.Err(); err != nil {
+		return nil, fmt.Errorf("failed to iterate rows: %w", err)
+	}
+
 	return releases, nil
 }
diff --git a/db/users.go b/db/users.go
index 5cb7e1af8bf9ef8d5a730f590f4b979aa40f1728..5a21955f94619b6308633b45c62ab4eef5d0c48d 100644
--- a/db/users.go
+++ b/db/users.go
@@ -71,6 +71,10 @@ func GetUsers(db *sql.DB) ([]string, error) {
 		users = append(users, user)
 	}
 
+	if err = rows.Err(); err != nil {
+		return nil, fmt.Errorf("failed to iterate rows: %w", err)
+	}
+
 	return users, nil
 }