diff --git a/default.nix b/default.nix
index 785cdea..550c2f5 100644
--- a/default.nix
+++ b/default.nix
@@ -11,15 +11,17 @@
 
 let
   sbcl' = sbcl.withPackages (ps: with ps; [
-    deploy
     hunchentoot
     dexador
-    clack
     jzon
     serapeum
-    openssl
-    openssl.out
-    openssl.dev
+    deploy
+    spinneret
+    lass
+    cl-smtp
+    pkgs.openssl
+    pkgs.openssl.out
+    pkgs.openssl.dev
   ]);
 in
 sbcl.buildASDFSystem {
@@ -51,9 +53,12 @@ sbcl.buildASDFSystem {
   lispLibs = with sbclPackages; [
     hunchentoot
     dexador
-    clack
     jzon
     serapeum
+    deploy
+    spinneret
+    lass
+    cl-smtp
   ];
 
   buildPhase = ''
@@ -64,7 +69,7 @@ sbcl.buildASDFSystem {
   installPhase = ''
   mkdir -p $out/bin
   cp tfcapi $out/bin
-  wrapProgram $out/bin/tfcapi \
+  wrapProgram $out/bin/tfcserver \
     --prefix LD_LIBRARY_PATH : $LD_LIBRARY_PATH \
   '';