diff --git a/flake.lock b/flake.lock
index 403828c4..5229b964 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1515,7 +1515,7 @@
       "inputs": {
         "home-manager": "home-manager_2",
         "nixpkgs": [
-          "nixpkgs"
+          "nixpkgs-unstable"
         ]
       },
       "locked": {
diff --git a/keys/hosts/steamdeck.asc b/keys/hosts/steamdeck.asc
new file mode 100644
index 00000000..78b9f685
--- /dev/null
+++ b/keys/hosts/steamdeck.asc
@@ -0,0 +1,28 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+
+xsFNBAAAAAABEAD2hIH6jgPpbtRv3LptCBdxE/+Lkg0WZctdG0cFpbjbDaMstz+9
+5wOOhov/tICIOvPTNhyu1vDYY6+fhL4BYp4lOre1tOa+/uMgiOH2mZl3h5452ymw
+TQU5tmWF9S57NnIBhfdoJHqIlmqX7gNePbqLucgqD+TPdfDFxWbdzJkM9BpPVErl
+/H2gsoLeyDqJa10Qzz614AAkBFpfOnuTry/9zD2bOT185JoktXzFdd3WnGpXjYZn
+0J7y8b8jr+0UjPg3UhHgp6BxE8jlBgohDw1TTnBhMNiXIJd9QEVH+LaEi1u/KiLT
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+ekodMcJZogFEtTni6v5B+JLAclLkzTtfFzP1qlK+y9YiVyP6Zu//zf1SF1tkLBv/
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+zSxyb290IChHZW5lcmF0ZWQgMjAyNC4wNC4yNykgPHJvb3RAc3RlYW1kZWNrPsLB
+YgQTAQgAFgUCAAAAAAkQb+OYygBDq1MCGw8CGQEAALBAEACXH4I0Co1VtSugwqcR
+3E28xW8DhlOuK6McyYZBAXM1zZ2VgB46cLXGuuYhVXOgZAAaqWyFYu1BCcyfjTTD
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+GOE/Oy65qLwYjMq2UjxFNkHwSZcBbfYewQbuVOBmSKEm413KDmK+a9a5YipO4JeP
+CVjA8c2ebb9A1f6iGWE6MleVMDvCW593Dz1LfVBvZfz0SW46yFv0qDK/zLSPnCeq
+y+HHyqZdIvBd5QaK0ApvPFFLJF5iH3tIQTbnOMxwnsTsKXXpfcVirtxwRvqaRBtl
+dMT6mAqESoL2OeDD0nW1gJa2p6I/I1T0iL+5Nqln7ffqB/qdEu81AK6rzihF/Crq
+8QXyvnWvCPuhIU/vfZqBPTiXJuMqwEVLLDTPDY/hamaZKNu4pekym6rtPKOC6ioP
+YVUL++fxqHYgIhnq3DaPxmhdOajk4WSLfd9GjzlqVYc3oj6Ly//vOqHHyKHCwNCi
+0VIWRWUulkLabksipa/DMrqdaWtbd2YNWMzXEdf8hQEL7upQx1wcxOnB2Wym8WdN
+Zty2eyQnWeRWKYzAmjrN4j0E2VgwRxOmn+YCoW0b11sLD8miQP30c6oMCIBpMowW
+EdFK/vMquGCjWjJytDa0W/nvog==
+=853a
+-----END PGP PUBLIC KEY BLOCK-----
\ No newline at end of file
diff --git a/keys/ssh/keys.txt b/keys/ssh/keys.txt
index 76060ffc..ab8f392b 100644
--- a/keys/ssh/keys.txt
+++ b/keys/ssh/keys.txt
@@ -40,3 +40,9 @@ ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKUYuglSxzHMfKHBS06MaMm174W6EnxNyFXLXLheWSLb
 
 # (Fri Mar 15 05:00:16 AM CET 2024) albert@milan-linode-01
 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINjLA4EFRYDd8nSAzCCZoaXlghoUFTxuau48erHYgk7W albert@milan-linode-01
+
+# (Sat Apr 27 01:59:46 PM JST 2024) albert@steamdeck
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICwgewbi0Wr1UirW69oXG6x3UugZj0lfjOKGhKuG9P5v albert@steamdeck
+
+# (Sat Apr 27 03:38:41 PM JST 2024) albert@steamdeck
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKtbDFB3ljgXVa8mjLa17YFrt/Df7d1HcY6MSnU6fqZ9 albert@steamdeck