Terraform Init: 'No Available Releases Match the Given Constraints'

Terraform can't find a provider version matching what your config pins. It's a constraint, registry, or Terraform-version mismatch — not network flakiness (usually).

What you'll see

Root causes

Pinned version is impossible

required_providers pins (e.g. `~> 4.0`) conflicts with a co-required `>= 5.0` somewhere, or the pinned version was yanked.

Terraform version too old for the provider

Newer provider releases require a newer Terraform protocol; old terraform binaries can't see them at all.

Typo in the provider source

Wrong registry namespace (hashicorp vs the vendor's) means the provider doesn't exist under that address.

Fix it

  1. Read the exact constraint being requested in the error
    terraform version && grep -A3 required_providers *.tf
  2. Check what versions actually exist
    terraform providers   # and: curl -s https://registry.terraform.io/v1/providers/hashicorp/aws/versions | head
  3. Resolve the conflict explicitly in required_providers
    required_providers {
  aws = {
    source  = "hashicorp/aws"
    version = "~> 5.0"
  }
}
  4. In CI, pin Terraform itself too (tfenv/tenv)
    tfenv use 1.9.5

Field note

Pin both Terraform and providers in the repo — floating versions turn provider releases into untested changes in your pipeline. The error message lists every constraint; satisfy them on paper before re-running.

Common questions

Why can't Terraform find the provider version?

Version constraints in the config exclude everything available: a too-new required_version for your Terraform binary, a provider constraint pointing at a nonexistent version, or a registry/private mirror that lacks the version. The error names which constraint failed.

It works for my teammate but not me — why?

Different Terraform binaries (terraform -version) or different provider mirror configs (.terraformrc / TF_PLUGIN_CACHE_DIR): a constraint satisfied by 1.6.x fails on 1.3.x. Align the binary and check environment-specific mirror settings.

Related fixes

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