diff --git a/lua-rover-scm-1.rockspec b/lua-rover-scm-1.rockspec
index 6840e6e..75cbcfd 100644
--- a/lua-rover-scm-1.rockspec
+++ b/lua-rover-scm-1.rockspec
@@ -10,7 +10,7 @@ description = {
 }
 dependencies = {
    "argparse ~> 0.5.0",
-   "luarocks ~> 3.11.1"
+   "luarocks ~> 3.12.0"
 }
 build = {
    type = "builtin",
diff --git a/src/luarocks/fetch/git.lua b/src/luarocks/fetch/git.lua
index d2b4d6d..8b91ec0 100644
--- a/src/luarocks/fetch/git.lua
+++ b/src/luarocks/fetch/git.lua
@@ -114,7 +114,6 @@ end
 -- the fetched source tarball and the temporary directory created to
 -- store it; or nil and an error message.
 function git.get_sources(rockspec, extract, dest_dir, depth)
-  assert(rockspec:type() == "rockspec")
   assert(type(dest_dir) == "string" or not dest_dir)
 
   local git_cmd = rockspec.variables.GIT
diff --git a/src/rover/install.lua b/src/rover/install.lua
index 1f23795..5daabb5 100644
--- a/src/rover/install.lua
+++ b/src/rover/install.lua
@@ -62,7 +62,7 @@ local function install(name, version, deps_mode, force)
         repos.delete_version(name, version, deps_mode)
     end
 
-    local opts = build.opts({
+    local opts = {
       need_to_fetch = true,
       minimal_mode = false,
       deps_mode = deps_mode,
@@ -74,7 +74,7 @@ local function install(name, version, deps_mode, force)
       pin = false,
       rebuild = force,
       no_install = false,
-    })
+    }
 
     if not repos.is_installed(name, version) then
         local spec, err = assert(search.find_src_or_rockspec(name, nil, version))