diff --git a/install.py b/install.py
index abdfb06..9e62bdb 100644
--- a/install.py
+++ b/install.py
@@ -259,3 +259,23 @@ nvim_plug_vim_dir.mkdir(parents=True, exist_ok=True)
 if not os.path.exists(nvim_plug_vim_path):
     devenver.lprint(f"Installing NVIM plugin manager to {nvim_plug_vim_path}")
     urllib.request.urlretrieve("https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim", nvim_plug_vim_path)
+
+# Source dev_env.sh in ~/.bashrc (Linux only)
+if not is_windows:
+    bashrc_path = pathlib.Path(os.path.expanduser("~/.bashrc"))
+    devenv_script_path = install_dir / "dev_env.sh"
+    source_line = f'source "{devenv_script_path}"'
+
+    # Check if already present
+    already_present = False
+    if bashrc_path.exists():
+        bashrc_content = bashrc_path.read_text()
+        if source_line in bashrc_content:
+            already_present = True
+
+    if not already_present:
+        devenver.lprint(f"Adding dev_env.sh source line to {bashrc_path}")
+        with open(bashrc_path, "a") as f:
+            f.write(f"\n{source_line}\n")
+    else:
+        devenver.lprint(f"dev_env.sh source line already exists in {bashrc_path}")