diff --git a/templates/3d-printing/main.tf b/templates/3d-printing/main.tf
index e230507..196bd00 100644
--- a/templates/3d-printing/main.tf
+++ b/templates/3d-printing/main.tf
@@ -6,6 +6,16 @@ terraform {
     docker = {
       source = "kreuzwerker/docker"
     }
+    # Not used directly in this config. Existing workspace state from before
+    # the jetbrains module was removed still has resources tagged under this
+    # provider (the module used it internally to fetch IDE metadata) -
+    # terraform init only installs providers the current config declares, so
+    # without this, plan/apply fails with "Missing required provider" while
+    # trying to reconcile/destroy those leftover state entries. Safe to drop
+    # once every workspace has updated past the jetbrains-module version.
+    http = {
+      source = "hashicorp/http"
+    }
   }
 }
 
diff --git a/templates/cobol/main.tf b/templates/cobol/main.tf
index 02fe8ef..ea53cff 100644
--- a/templates/cobol/main.tf
+++ b/templates/cobol/main.tf
@@ -6,6 +6,16 @@ terraform {
     docker = {
       source = "kreuzwerker/docker"
     }
+    # Not used directly in this config. Existing workspace state from before
+    # the jetbrains module was removed still has resources tagged under this
+    # provider (the module used it internally to fetch IDE metadata) -
+    # terraform init only installs providers the current config declares, so
+    # without this, plan/apply fails with "Missing required provider" while
+    # trying to reconcile/destroy those leftover state entries. Safe to drop
+    # once every workspace has updated past the jetbrains-module version.
+    http = {
+      source = "hashicorp/http"
+    }
   }
 }
 
diff --git a/templates/default/main.tf b/templates/default/main.tf
index 53fd340..ff57b18 100644
--- a/templates/default/main.tf
+++ b/templates/default/main.tf
@@ -6,6 +6,16 @@ terraform {
     docker = {
       source = "kreuzwerker/docker"
     }
+    # Not used directly in this config. Existing workspace state from before
+    # the jetbrains module was removed still has resources tagged under this
+    # provider (the module used it internally to fetch IDE metadata) -
+    # terraform init only installs providers the current config declares, so
+    # without this, plan/apply fails with "Missing required provider" while
+    # trying to reconcile/destroy those leftover state entries. Safe to drop
+    # once every workspace has updated past the jetbrains-module version.
+    http = {
+      source = "hashicorp/http"
+    }
   }
 }
 
diff --git a/templates/python/main.tf b/templates/python/main.tf
index 46873ac..f6f676c 100644
--- a/templates/python/main.tf
+++ b/templates/python/main.tf
@@ -6,6 +6,16 @@ terraform {
     docker = {
       source = "kreuzwerker/docker"
     }
+    # Not used directly in this config. Existing workspace state from before
+    # the jetbrains module was removed still has resources tagged under this
+    # provider (the module used it internally to fetch IDE metadata) -
+    # terraform init only installs providers the current config declares, so
+    # without this, plan/apply fails with "Missing required provider" while
+    # trying to reconcile/destroy those leftover state entries. Safe to drop
+    # once every workspace has updated past the jetbrains-module version.
+    http = {
+      source = "hashicorp/http"
+    }
   }
 }
 
diff --git a/templates/ttrpg/main.tf b/templates/ttrpg/main.tf
index 81e66f6..c6604a4 100644
--- a/templates/ttrpg/main.tf
+++ b/templates/ttrpg/main.tf
@@ -6,6 +6,16 @@ terraform {
     docker = {
       source = "kreuzwerker/docker"
     }
+    # Not used directly in this config. Existing workspace state from before
+    # the jetbrains module was removed still has resources tagged under this
+    # provider (the module used it internally to fetch IDE metadata) -
+    # terraform init only installs providers the current config declares, so
+    # without this, plan/apply fails with "Missing required provider" while
+    # trying to reconcile/destroy those leftover state entries. Safe to drop
+    # once every workspace has updated past the jetbrains-module version.
+    http = {
+      source = "hashicorp/http"
+    }
   }
 }
 
diff --git a/templates/web/main.tf b/templates/web/main.tf
index 2ad995b..5f1d0ba 100644
--- a/templates/web/main.tf
+++ b/templates/web/main.tf
@@ -6,6 +6,16 @@ terraform {
     docker = {
       source = "kreuzwerker/docker"
     }
+    # Not used directly in this config. Existing workspace state from before
+    # the jetbrains module was removed still has resources tagged under this
+    # provider (the module used it internally to fetch IDE metadata) -
+    # terraform init only installs providers the current config declares, so
+    # without this, plan/apply fails with "Missing required provider" while
+    # trying to reconcile/destroy those leftover state entries. Safe to drop
+    # once every workspace has updated past the jetbrains-module version.
+    http = {
+      source = "hashicorp/http"
+    }
   }
 }