diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7ad07fa2..dc3dbfd0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 # Changelog
 
 ## Unreleased
+* Improved TTFX in JuliaCall.
 * Minimum supported Python version is now 3.11.
 
 ## 0.9.37 (2026-10-12)
diff --git a/src/JlWrap/any.jl b/src/JlWrap/any.jl
index 96a6a3d2..c0a4244c 100644
--- a/src/JlWrap/any.jl
+++ b/src/JlWrap/any.jl
@@ -21,6 +21,8 @@ function pyjlany_getattr(self, k_::Py)
     Py(getproperty(self, k))
 end
 pyjl_handle_error_type(::typeof(pyjlany_getattr), self, exc) = pybuiltins.AttributeError
+# `jl.<name>` on `juliacall.Main` is often the first call of a JuliaCall session.
+precompile(pyjlany_getattr, (Module, Py))
 
 function pyjlany_setattr(self, k_::Py, v_::Py)
     k = Symbol(pyjl_attr_py2jl(pyconvert(String, k_)))
diff --git a/src/JlWrap/module.jl b/src/JlWrap/module.jl
index 2f636e08..5fb1aa8f 100644
--- a/src/JlWrap/module.jl
+++ b/src/JlWrap/module.jl
@@ -12,6 +12,8 @@ end
 function pyjlmodule_seval(self::Module, expr::Py)
     Py(Base.eval(self, Meta.parseall(strip(pyconvert(String, expr)))))
 end
+# `jl.seval(...)` is often the first call of a JuliaCall session.
+precompile(pyjlmodule_seval, (Module, Py))
 
 function init_module()
     jl = pyjuliacallmodule