diff --git a/.gitignore b/.gitignore
index 6c1b0f2c..f5ec3256 100644
--- a/.gitignore
+++ b/.gitignore
@@ -83,4 +83,9 @@ docs/server/source/schema
 docs/server/source/drivers-clients/samples
 
 # Azure credentials for Terraform
-secret.tfvars
\ No newline at end of file
+secret.tfvars
+
+# Terraform state files
+# See https://stackoverflow.com/a/41482391
+terraform.tfstate
+terraform.tfstate.backup