diff --git a/e2e/binary/paste/BUILD.bazel b/e2e/binary/paste/BUILD.bazel
index 1480f1fb022cfdce62e42868101b15295423d76f..14e6d066909ef9ed3210a4b79be8642c2eadba50 100644
--- a/e2e/binary/paste/BUILD.bazel
+++ b/e2e/binary/paste/BUILD.bazel
@@ -1,11 +1,33 @@
-load("@bazel_skylib//rules:build_test.bzl", "build_test")
+load("@bazel_skylib//rules:native_binary.bzl", "native_test")
+load("@rules_python_pytest//python_pytest:defs.bzl", "py_pytest_test")
 
-# TODO: write an _actual_ test for `paste`
+py_pytest_test(
+    name = "pytest",
+    size = "small",
+    srcs = ["merge.py"],
+    data = [
+        "a.txt",
+        "b.txt",
+        "expected.txt",
+        "@ape//ape:paste",
+    ],
+    deps = [
+        "//binary:pytest",
+    ],
+)
 
-build_test(
-    name = "paste",
+native_test(
+    name = "version",
     size = "small",
-    tags = ["stub"],
-    targets = ["@ape//ape:paste"],
+    src = "@ape//ape:paste",
+    args = ["--version"],
+)
+
+test_suite(
+    name = "paste",
+    tests = [
+        "pytest",
+        "version",
+    ],
     visibility = ["//:__subpackages__"],
 )
diff --git a/e2e/binary/paste/a.txt b/e2e/binary/paste/a.txt
new file mode 100644
index 0000000000000000000000000000000000000000..94ebaf900161394059478fd88aec30e59092a1d7
--- /dev/null
+++ b/e2e/binary/paste/a.txt
@@ -0,0 +1,4 @@
+1
+2
+3
+4
diff --git a/e2e/binary/paste/b.txt b/e2e/binary/paste/b.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0fdf397db08b5cecda1b6394d4fef7395c1933ba
--- /dev/null
+++ b/e2e/binary/paste/b.txt
@@ -0,0 +1,6 @@
+a
+b
+c
+d
+e
+f
diff --git a/e2e/binary/paste/expected.txt b/e2e/binary/paste/expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..93de0aa4a5b08ba8610e2704c05805aaeccd19ea
--- /dev/null
+++ b/e2e/binary/paste/expected.txt
@@ -0,0 +1,6 @@
+1	a
+2	b
+3	c
+4	d
+	e
+	f
diff --git a/e2e/binary/paste/merge.py b/e2e/binary/paste/merge.py
new file mode 100644
index 0000000000000000000000000000000000000000..ba619ab69fac02832bb03d073bb1e66a30213010
--- /dev/null
+++ b/e2e/binary/paste/merge.py
@@ -0,0 +1,20 @@
+from __future__ import annotations
+
+from pathlib import Path
+from subprocess import run
+
+from binary import Diff, Relative, Tool
+
+
+def test_paste(tool: Tool, relative: Relative, tmp_path: Path) -> None:
+    binary = tool("paste")
+    a = relative("a.txt")
+    b = relative("b.txt")
+    expected = relative("expected.txt")
+    output = tmp_path / "output.txt"
+
+    cmd = (binary, a, b)
+    with output.open("w") as stream:
+        run(cmd, check=True, timeout=30, stdout=stream)
+
+    assert Diff(expected) == Diff(output)