diff --git a/doc/sphinx/administration/configuration/bastion_conf.rst b/doc/sphinx/administration/configuration/bastion_conf.rst
index c1bc155..0510f5b 100644
--- a/doc/sphinx/administration/configuration/bastion_conf.rst
+++ b/doc/sphinx/administration/configuration/bastion_conf.rst
@@ -282,7 +282,7 @@ defaultAccountEgressKeyAlgorithm
 
 :Type: ``string``
 
-:Default: ``"rsa"``
+:Default: ``"ecdsa"``
 
 The default algorithm to use to create the egress key of a newly created account
 
@@ -293,7 +293,7 @@ defaultAccountEgressKeySize
 
 :Type: ``int > 0``
 
-:Default: ``4096``
+:Default: ``521``
 
 The default size to use to create the egress key of a newly created account (also see ``defaultAccountEgressKeyAlgorithm``)
 
diff --git a/etc/bastion/bastion.conf.dist b/etc/bastion/bastion.conf.dist
index b16f7af..7376604 100644
--- a/etc/bastion/bastion.conf.dist
+++ b/etc/bastion/bastion.conf.dist
@@ -86,13 +86,13 @@
 #
 # defaultAccountEgressKeyAlgorithm (string)
 #    DESC: The default algorithm to use to create the egress key of a newly created account
-# DEFAULT: "rsa"
-"defaultAccountEgressKeyAlgorithm": "rsa",
+# DEFAULT: "ecdsa"
+"defaultAccountEgressKeyAlgorithm": "ecdsa",
 #
 # defaultAccountEgressKeySize (int > 0)
 #    DESC: The default size to use to create the egress key of a newly created account (also see ``defaultAccountEgressKeyAlgorithm``)
-# DEFAULT: 4096
-"defaultAccountEgressKeySize": 4096,
+# DEFAULT: 521
+"defaultAccountEgressKeySize": 521,
 #
 # moshAllowed (boolean)
 #     DESC: If set to ``true``, mosh usage is allowed (mosh needs to be installed on serverside, obviously). Otherwise, this feature is disabled.
diff --git a/lib/perl/OVH/Bastion/configuration.inc b/lib/perl/OVH/Bastion/configuration.inc
index 1382c94..137e75b 100644
--- a/lib/perl/OVH/Bastion/configuration.inc
+++ b/lib/perl/OVH/Bastion/configuration.inc
@@ -325,7 +325,7 @@ sub load_configuration {
 
     # 4/6) Strings that must be one item of a specific enum.
     foreach my $o (
-        {name => 'defaultAccountEgressKeyAlgorithm', default => 'rsa', valid => [qw{ rsa ecdsa ed25519 }]},
+        {name => 'defaultAccountEgressKeyAlgorithm', default => 'ecdsa', valid => [qw{ rsa ecdsa ed25519 }]},
         {
             name    => 'accountMFAPolicy',
             default => 'enabled',
diff --git a/tests/functional/tests.d/330-selfkeys.sh b/tests/functional/tests.d/330-selfkeys.sh
index 38b8231..b211aba 100644
--- a/tests/functional/tests.d/330-selfkeys.sh
+++ b/tests/functional/tests.d/330-selfkeys.sh
@@ -125,10 +125,10 @@ testsuite_selfkeys()
     tmpfp=$(get_json | $jq '.value|keys[0]')
     set -e
     json $(cat <<EOS
-    .value|.["$tmpfp"]|.family      RSA
-    .value|.["$tmpfp"]|.size        4096
+    .value|.["$tmpfp"]|.family      ECDSA
+    .value|.["$tmpfp"]|.size        521
     .value|.["$tmpfp"]|.fingerprint $tmpfp
-    .value|.["$tmpfp"]|.typecode    ssh-rsa
+    .value|.["$tmpfp"]|.typecode    ecdsa-sha2-nistp521
 EOS
     )
     set +e