diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index bb3b7b1..b50cf0a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -2,7 +2,7 @@ name: Release
 
 on:
   push:
-    tags: '*'
+    tags: ['*']
 
 env:
   CARGO_TERM_COLOR: always
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index aec6148..05e0e9c 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -4,7 +4,7 @@ on:
   push:
     branches: [ main ]
   pull_request:
-    branches: '*'
+    branches: ['*']
 
 env:
   CARGO_TERM_COLOR: always
diff --git a/Cargo.toml b/Cargo.toml
index fe04db8..6105b28 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "runtasktic"
-version = "0.5.0"
+version = "0.5.1"
 authors = ["Jones Magloire @Joxit"]
 description = "Command-line task management tool for execution of regular long sequential or parallel tasks."
 edition = "2018"
@@ -17,7 +17,7 @@ structopt = "^0.3"
 yaml-rust = "^0.4"
 linked-hash-map = "^0.5"
 libc = "^0.2"
-attohttpc = "^0.17"
+attohttpc = "^0.26"
 openssl = { version = "^0.10", features = ["vendored"] }
 json = "^0.12"
 hostname = "^0.3"
diff --git a/src/fst/dot.rs b/src/fst/dot.rs
index 10cef16..ad6eabb 100644
--- a/src/fst/dot.rs
+++ b/src/fst/dot.rs
@@ -11,7 +11,7 @@ pub fn dot_write_file<W: Write>(fst: &TaskFst, writer: &mut W) -> std::io::Resul
     let node = iter.next().unwrap();
     let label = node.label.replace("\"", "\\\"");
     let id = format_id(&node.label);
-    let shape = if node.prev.len() == 0 {
+    let shape = if node.next.len() == 0 {
       "doublecircle"
     } else {
       "circle"
@@ -83,16 +83,16 @@ mod test {
     assert_eq!(
       result,
       r#"digraph {
-  a[label="\"a\"" shape=doublecircle]
+  a[label="\"a\"" shape=circle]
   a -> b_a_ba
   a -> c
-  e[label="e" shape=doublecircle]
+  e[label="e" shape=circle]
   e -> ds
   b_a_ba[label="b a ba" shape=circle]
   b_a_ba -> c
   c[label="c" shape=circle]
   c -> ds
-  ds[label="d%s" shape=circle]
+  ds[label="d%s" shape=doublecircle]
 }
 "#
     );