diff --git a/src/ckg.lua b/src/ckg.lua
index 48f88e6..723dd24 100644
--- a/src/ckg.lua
+++ b/src/ckg.lua
@@ -85,7 +85,14 @@ local function install_single(name, list, installed)
   if installed[name] then return end
   local pkg = list[name]
   if not pkg then
-    error("Package not found: " .. name)
+    local cfg = load_config()
+    print("Package not found. Updating repositories...")
+    CKG.update()
+    list = fetch_package_lists(cfg)
+    pkg = list[name]
+    if not pkg then
+      error("Package still not found: " .. name)
+    end
   end
 
   if pkg.dependencies then
@@ -129,7 +136,13 @@ function CKG.fetch(name)
   local list = fetch_package_lists(cfg)
   local pkg = list[name]
   if not pkg then
-    error("Package not found: " .. name)
+    print("Package not found. Updating repositories...")
+    CKG.update()
+    list = fetch_package_lists(cfg)
+    pkg = list[name]
+    if not pkg then
+      error("Package still not found: " .. name)
+    end
   end
   if not fs.exists(CACHE_DIR) then fs.makeDir(CACHE_DIR) end
   local cache_path = fs.combine(CACHE_DIR, name)
@@ -253,4 +266,4 @@ Usage:
   ckg clear-repos          Reset repositories to default
   ckg update               Refresh package indexes
 ]])
-end
+end
\ No newline at end of file