diff --git a/default.nix b/default.nix
index 2855001..201dcda 100644
--- a/default.nix
+++ b/default.nix
@@ -70,6 +70,9 @@ let
       src = lock.get pname;
       buildPhase = ":";
     } // args);
+    doom-snippets = self.straightBuild {
+      pname = "doom-snippets";
+    };
     evil-markdown = self.straightBuild {
       pname = "evil-markdown";
     };
@@ -101,6 +104,10 @@ let
     php-extras = self.straightBuild {
       pname = "php-extras";
     };
+    rotate-text = self.straightBuild {
+      pname = "rotate-text";
+      ename = "rotate-text.el";
+    };
     so-long = self.straightBuild {
       pname = "so-long";
       ename = "emacs-so-long";
diff --git a/derivations.json b/derivations.json
index cf4252d..8e92675 100644
--- a/derivations.json
+++ b/derivations.json
@@ -9,6 +9,10 @@
         "repo": "nix-straight.el",
         "rev": "v1.2.0"
     },
+    "doom-snippets": {
+        "owner": "hlissner",
+        "repo": "doom-snippets"
+    },
     "evil-markdown": {
         "owner": "Somelauw",
         "repo": "evil-markdown"
@@ -33,6 +37,10 @@
         "owner": "arnested",
         "repo": "php-extras"
     },
+    "rotate-text": {
+        "owner": "debug-ito",
+        "repo": "rotate-text.el"
+    },
     "so-long": {
         "owner": "hlissner",
         "repo": "emacs-so-long"
diff --git a/derivations.lock b/derivations.lock
index dae01a2..fb5d75d 100644
--- a/derivations.lock
+++ b/derivations.lock
@@ -128,5 +128,31 @@
             "updated": "2020-02-15T09:39:37+00:00",
             "rev": "e361c640435af947fab201c1fe60f25843edb5e9"
         }
+    },
+    "doom-snippets": {
+        "fetcher": "fetchFromGitHub",
+        "args": {
+            "owner": "hlissner",
+            "repo": "doom-snippets",
+            "rev": "4a0e675e1a4713dc8b3c020b30cad18ef4d7401d",
+            "sha256": "0b3vdwm9brnjgivxd3icz5znjhjhzqkd38nn9qamk4n09d7h2nd7"
+        },
+        "meta": {
+            "updated": "2020-02-15T09:48:50+00:00",
+            "rev": "4a0e675e1a4713dc8b3c020b30cad18ef4d7401d"
+        }
+    },
+    "rotate-text": {
+        "fetcher": "fetchFromGitHub",
+        "args": {
+            "owner": "debug-ito",
+            "repo": "rotate-text.el",
+            "rev": "48f193697db996855aee1ad2bc99b38c6646fe76",
+            "sha256": "02fkv45nbbqrv12czlinpr8qpsd7yjdhr628hl58n42w560qxrs8"
+        },
+        "meta": {
+            "updated": "2020-02-15T09:48:53+00:00",
+            "rev": "48f193697db996855aee1ad2bc99b38c6646fe76"
+        }
     }
 }