diff --git a/neovim/lua/plugins.lua b/neovim/lua/plugins.lua
index e57c206..960b5d1 100644
--- a/neovim/lua/plugins.lua
+++ b/neovim/lua/plugins.lua
@@ -208,7 +208,7 @@ use("folke/trouble.nvim")
 use({
     "jose-elias-alvarez/null-ls.nvim",
     commit = utils.map_version_rule({
-        [">=0.6.0"] = nil,
+        [">=0.6.0"] = utils.nil_val,
         [">=0.5.1"] = "739a98c12bedaa2430c4a3c08d1d22ad6c16513e",
         [">=0.5.0"] = "3e7390735501d0507bf2c2b5c2e7a16f58deeb81",
     }),
@@ -297,7 +297,7 @@ use({
         "nvim-telescope/telescope-file-browser.nvim",
     },
     tag = utils.map_version_rule({
-        [">=0.6.0"] = nil,
+        [">=0.6.0"] = utils.nil_val,
         ["<0.6.0"] = "nvim-0.5.1",
         ["==0.5.0"] = "nvim-0.5.0",
     }),
diff --git a/neovim/lua/utils.lua b/neovim/lua/utils.lua
index dc3d250..6b39d47 100644
--- a/neovim/lua/utils.lua
+++ b/neovim/lua/utils.lua
@@ -153,6 +153,8 @@ function M.materialize_list(list, iterator)
     return list
 end
 
+M.nil_val = {}
+
 -- Maps a set of version rules to a value eg. [">0.5.0"] = "has 0.5.0"
 -- If more than one rule matches, the one with the greatest version number is used
 function M.map_version_rule(rules)
@@ -197,6 +199,10 @@ function M.map_version_rule(rules)
     end
 
     -- Return highest versioned matched value
+    if latest_value == M.nil_val then
+        return nil
+    end
+
     return latest_value
 end