fix version pinning. Closes prisma/prisma2#338
fix version pinning. Closes prisma/prisma2#338


Former-commit-id: 1130cf14fed4a42f52945419f4ff8bf66e7018ca
Former-commit-id: e4b8ed1f0066704586a7101a2bcf606a0f0607d1
prisma/prisma,prisma/prisma,prisma/prisma