diff --git a/Cargo.lock b/Cargo.lock
index a6f90dcd..3bf7a28c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1932,9 +1932,9 @@ dependencies = [
 
 [[package]]
 name = "toml_edit"
-version = "0.6.0"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b46c9238346fec3169f99251eda26e918ab71cdf382a660e46076ff1b1b16729"
+checksum = "8c29c21e11af3c58476a1063cb550e255c45c60928bf7f272462a533e7a2b406"
 dependencies = [
  "combine",
  "indexmap",
diff --git a/Cargo.toml b/Cargo.toml
index 39340751..f2fca67d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -70,7 +70,7 @@ shadow-rs = "0.7.2"
 versions = "3.0.3"
 strsim = "0.10.0"
 sha-1 = "0.9.8"
-toml_edit = "0.6.0"
+toml_edit = "0.8.0"
 
 process_control = { version = "3.1.0", features = ["crossbeam-channel"] }
 
diff --git a/src/configure.rs b/src/configure.rs
index dca7565f..c77cc56e 100644
--- a/src/configure.rs
+++ b/src/configure.rs
@@ -32,9 +32,17 @@ pub fn update_configuration(name: &str, value: &str) {
 }
 
 fn handle_update_configuration(doc: &mut Document, name: &str, value: &str) -> Result<(), String> {
-    let mut current_item = &mut doc.root;
+    let mut keys = name.split('.');
 
-    for key in name.split('.') {
+    let first_key = keys.next().unwrap_or_default();
+    if first_key.is_empty() {
+        return Err("Empty table keys are not supported".to_owned());
+    }
+
+    let table = doc.as_table_mut();
+    let mut current_item = table.entry(first_key).or_insert_with(toml_edit::table);
+
+    for key in keys {
         if !current_item.is_table_like() {
             return Err("This command can only index into TOML tables".to_owned());
         }
@@ -429,6 +437,7 @@ mod tests {
         assert!(handle_update_configuration(&mut doc, ".....", "true").is_err());
         assert!(handle_update_configuration(&mut doc, "a.a.a..a.a", "true").is_err());
         assert!(handle_update_configuration(&mut doc, "a.a.a.a.a.", "true").is_err());
+        assert!(handle_update_configuration(&mut doc, ".a.a.a.a.a", "true").is_err());
     }
 
     #[test]