diff --git a/.github/workflows/sumaform-validation.yml b/.github/workflows/sumaform-validation.yml
index 29e4724f3..14bd67a1a 100644
--- a/.github/workflows/sumaform-validation.yml
+++ b/.github/workflows/sumaform-validation.yml
@@ -83,7 +83,7 @@ jobs:
 
           # Provide a fake private SSH key
           mkdir -p ~/.ssh
-          touch ~/.ssh/id_rsa
+          touch ~/.ssh/id_ed25519
 
           for tf_file in ${{steps.tf_files.outputs.added_modified}}; do
             echo "::notice::Validating '`basename $tf_file`'..."
diff --git a/terracumber_config/tf_files/MLM-5.1-build-validation-NUE.tf b/terracumber_config/tf_files/MLM-5.1-build-validation-NUE.tf
index e9a285b99..fcedf58ba 100644
--- a/terracumber_config/tf_files/MLM-5.1-build-validation-NUE.tf
+++ b/terracumber_config/tf_files/MLM-5.1-build-validation-NUE.tf
@@ -1070,7 +1070,7 @@ module "dhcp_dns" {
   hypervisor = {
     host        = "suma-06.mgr.suse.de"
     user        = "root"
-    private_key = file("~/.ssh/id_rsa")
+    private_key = file("~/.ssh/id_ed25519")
   }
 }
 
diff --git a/terracumber_config/tf_files/PR-testing-template.tf b/terracumber_config/tf_files/PR-testing-template.tf
index 9081c250f..59e91a056 100644
--- a/terracumber_config/tf_files/PR-testing-template.tf
+++ b/terracumber_config/tf_files/PR-testing-template.tf
@@ -61,7 +61,7 @@ module "cucumber_testsuite" {
       hypervisor = {
         host        = var.ENVIRONMENT_CONFIGURATION[var.ENVIRONMENT].hypervisor
         user        = "root"
-        private_key = file("~/.ssh/id_rsa")
+        private_key = file("~/.ssh/id_ed25519")
       }
     }
     server_containerized = {
diff --git a/terracumber_config/tf_files/SUSEManager-5.0-NUE.tf b/terracumber_config/tf_files/SUSEManager-5.0-NUE.tf
index 91582f600..4afa329d4 100644
--- a/terracumber_config/tf_files/SUSEManager-5.0-NUE.tf
+++ b/terracumber_config/tf_files/SUSEManager-5.0-NUE.tf
@@ -215,7 +215,7 @@ module "cucumber_testsuite" {
       hypervisor = {
         host        = "suma-01.mgr.suse.de"
         user        = "root"
-        private_key = file("~/.ssh/id_rsa")
+        private_key = file("~/.ssh/id_ed25519")
       }
     }
     kvm_host = {
diff --git a/terracumber_config/tf_files/SUSEManager-5.0-PRV.tf b/terracumber_config/tf_files/SUSEManager-5.0-PRV.tf
index 8f324bfbe..04d23758c 100644
--- a/terracumber_config/tf_files/SUSEManager-5.0-PRV.tf
+++ b/terracumber_config/tf_files/SUSEManager-5.0-PRV.tf
@@ -209,7 +209,7 @@ module "cucumber_testsuite" {
       hypervisor = {
         host        = "selektah.mgr.prv.suse.net"
         user        = "root"
-        private_key = file("~/.ssh/id_rsa")
+        private_key = file("~/.ssh/id_ed25519")
       }
     }
     kvm_host = {
diff --git a/terracumber_config/tf_files/SUSEManager-5.0-build-validation-NUE.tf b/terracumber_config/tf_files/SUSEManager-5.0-build-validation-NUE.tf
index dae712cb8..49c218a64 100644
--- a/terracumber_config/tf_files/SUSEManager-5.0-build-validation-NUE.tf
+++ b/terracumber_config/tf_files/SUSEManager-5.0-build-validation-NUE.tf
@@ -1136,7 +1136,7 @@ module "dhcp_dns" {
   hypervisor = {
     host        = "suma-06.mgr.suse.de"
     user        = "root"
-    private_key = file("~/.ssh/id_rsa")
+    private_key = file("~/.ssh/id_ed25519")
   }
 }
 
diff --git a/terracumber_config/tf_files/SUSEManager-5.0-build-validation-PRV.tf b/terracumber_config/tf_files/SUSEManager-5.0-build-validation-PRV.tf
index 86442bc13..cdd7584be 100644
--- a/terracumber_config/tf_files/SUSEManager-5.0-build-validation-PRV.tf
+++ b/terracumber_config/tf_files/SUSEManager-5.0-build-validation-PRV.tf
@@ -1460,7 +1460,7 @@ module "dhcp_dns" {
   hypervisor = {
     host        = "terminus.mgr.prv.suse.net"
     user        = "root"
-    private_key = file("~/.ssh/id_rsa")
+    private_key = file("~/.ssh/id_ed25519")
   }
 }
 
diff --git a/terracumber_config/tf_files/SUSEManager-Head-NUE.tf b/terracumber_config/tf_files/SUSEManager-Head-NUE.tf
index 961febbcc..0475e0611 100644
--- a/terracumber_config/tf_files/SUSEManager-Head-NUE.tf
+++ b/terracumber_config/tf_files/SUSEManager-Head-NUE.tf
@@ -208,7 +208,7 @@ module "cucumber_testsuite" {
       hypervisor  = {
         host        = "suma-01.mgr.suse.de"
         user        = "root"
-        private_key = file("~/.ssh/id_rsa")
+        private_key = file("~/.ssh/id_ed25519")
       }
     }
   }
diff --git a/terracumber_config/tf_files/SUSEManager-Test-Naica-NUE.tf b/terracumber_config/tf_files/SUSEManager-Test-Naica-NUE.tf
index e68262e77..74e042066 100644
--- a/terracumber_config/tf_files/SUSEManager-Test-Naica-NUE.tf
+++ b/terracumber_config/tf_files/SUSEManager-Test-Naica-NUE.tf
@@ -202,7 +202,7 @@ module "cucumber_testsuite" {
       hypervisor  = {
         host        = "cthulhu.mgr.suse.de"
         user        = "root"
-        private_key = file("~/.ssh/id_rsa")
+        private_key = file("~/.ssh/id_ed25519")
       }
     }
   }
diff --git a/terracumber_config/tf_files/SUSEManager-Test-Vega-NUE.tf b/terracumber_config/tf_files/SUSEManager-Test-Vega-NUE.tf
index 38b48179a..a99b2272e 100644
--- a/terracumber_config/tf_files/SUSEManager-Test-Vega-NUE.tf
+++ b/terracumber_config/tf_files/SUSEManager-Test-Vega-NUE.tf
@@ -202,7 +202,7 @@ module "cucumber_testsuite" {
       hypervisor  = {
         host        = "cthulhu.mgr.suse.de"
         user        = "root"
-        private_key = file("~/.ssh/id_rsa")
+        private_key = file("~/.ssh/id_ed25519")
       }
     }
   }
diff --git a/terracumber_config/tf_files/SUSEManager-continuous-build-validation-NUE.tf b/terracumber_config/tf_files/SUSEManager-continuous-build-validation-NUE.tf
index 2d5a85021..fc9117a51 100644
--- a/terracumber_config/tf_files/SUSEManager-continuous-build-validation-NUE.tf
+++ b/terracumber_config/tf_files/SUSEManager-continuous-build-validation-NUE.tf
@@ -1141,7 +1141,7 @@ module "dhcp_dns" {
   hypervisor = {
     host        = "suma-06.mgr.suse.de"
     user        = "root"
-    private_key = file("~/.ssh/id_rsa")
+    private_key = file("~/.ssh/id_ed25519")
   }
 }
 
diff --git a/terracumber_config/tf_files/Uyuni-Master-NUE.tf b/terracumber_config/tf_files/Uyuni-Master-NUE.tf
index 747e16c04..2daccc5c3 100644
--- a/terracumber_config/tf_files/Uyuni-Master-NUE.tf
+++ b/terracumber_config/tf_files/Uyuni-Master-NUE.tf
@@ -214,7 +214,7 @@ module "cucumber_testsuite" {
       hypervisor = {
         host        = "suma-01.mgr.suse.de"
         user        = "root"
-        private_key = file("~/.ssh/id_rsa")
+        private_key = file("~/.ssh/id_ed25519")
       }
     }
   }
diff --git a/terracumber_config/tf_files/Uyuni-Master-podman.tf b/terracumber_config/tf_files/Uyuni-Master-podman.tf
index 3eca37dfa..da138ca3e 100644
--- a/terracumber_config/tf_files/Uyuni-Master-podman.tf
+++ b/terracumber_config/tf_files/Uyuni-Master-podman.tf
@@ -202,7 +202,7 @@ module "cucumber_testsuite" {
       hypervisor = {
         host        = "suma-01.mgr.suse.de"
         user        = "root"
-        private_key = file("~/.ssh/id_rsa")
+        private_key = file("~/.ssh/id_ed25519")
       }
     }
   }
diff --git a/terracumber_config/tf_files/Uyuni-Master-tests-code-coverage.tf b/terracumber_config/tf_files/Uyuni-Master-tests-code-coverage.tf
index 63dd2d055..378231aa3 100644
--- a/terracumber_config/tf_files/Uyuni-Master-tests-code-coverage.tf
+++ b/terracumber_config/tf_files/Uyuni-Master-tests-code-coverage.tf
@@ -214,7 +214,7 @@ module "cucumber_testsuite" {
       hypervisor = {
         host        = "screwdriver.mgr.prv.suse.net"
         user        = "root"
-        private_key = file("~/.ssh/id_rsa")
+        private_key = file("~/.ssh/id_ed25519")
       }
     }
   }