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diff --git a/libcxx/modules/std/random.cppm b/libcxx/modules/std/random.cppm
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+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+module;
+#include <random>
+
+export module std:random;
+export namespace std {
+  // [rand.req.urng], uniform random bit generator requirements
+  using std::uniform_random_bit_generator;
+
+  // [rand.eng.lcong], class template linear_congruential_engine
+  using std::linear_congruential_engine;
+
+  // [rand.eng.mers], class template mersenne_twister_engine
+  using std::mersenne_twister_engine;
+
+  // [rand.eng.sub], class template subtract_with_carry_engine
+  using std::subtract_with_carry_engine;
+
+  // [rand.adapt.disc], class template discard_block_engine
+  using std::discard_block_engine;
+
+  // [rand.adapt.ibits], class template independent_bits_engine
+  using std::independent_bits_engine;
+
+  // [rand.adapt.shuf], class template shuffle_order_engine
+  using std::shuffle_order_engine;
+
+  // [rand.predef], engines and engine adaptors with predefined parameters
+  using std::knuth_b;
+  using std::minstd_rand;
+  using std::minstd_rand0;
+  using std::mt19937;
+  using std::mt19937_64;
+  using std::ranlux24;
+  using std::ranlux24_base;
+  using std::ranlux48;
+  using std::ranlux48_base;
+
+  using std::default_random_engine;
+
+  // [rand.device], class random_device
+  using std::random_device;
+
+  // [rand.util.seedseq], class seed_seq
+  using std::seed_seq;
+
+  // [rand.util.canonical], function template generate_canonical
+  using std::generate_canonical;
+
+  // [rand.dist.uni.int], class template uniform_int_distribution
+  using std::uniform_int_distribution;
+
+  // [rand.dist.uni.real], class template uniform_real_distribution
+  using std::uniform_real_distribution;
+
+  // [rand.dist.bern.bernoulli], class bernoulli_distribution
+  using std::bernoulli_distribution;
+
+  // [rand.dist.bern.bin], class template binomial_distribution
+  using std::binomial_distribution;
+
+  // [rand.dist.bern.geo], class template geometric_distribution
+  using std::geometric_distribution;
+
+  // [rand.dist.bern.negbin], class template negative_binomial_distribution
+  using std::negative_binomial_distribution;
+
+  // [rand.dist.pois.poisson], class template poisson_distribution
+  using std::poisson_distribution;
+
+  // [rand.dist.pois.exp], class template exponential_distribution
+  using std::exponential_distribution;
+
+  // [rand.dist.pois.gamma], class template gamma_distribution
+  using std::gamma_distribution;
+
+  // [rand.dist.pois.weibull], class template weibull_distribution
+  using std::weibull_distribution;
+
+  // [rand.dist.pois.extreme], class template extreme_value_distribution
+  using std::extreme_value_distribution;
+
+  // [rand.dist.norm.normal], class template normal_distribution
+  using std::normal_distribution;
+
+  // [rand.dist.norm.lognormal], class template lognormal_distribution
+  using std::lognormal_distribution;
+
+  // [rand.dist.norm.chisq], class template chi_squared_distribution
+  using std::chi_squared_distribution;
+
+  // [rand.dist.norm.cauchy], class template cauchy_distribution
+  using std::cauchy_distribution;
+
+  // [rand.dist.norm.f], class template fisher_f_distribution
+  using std::fisher_f_distribution;
+
+  // [rand.dist.norm.t], class template student_t_distribution
+  using std::student_t_distribution;
+
+  // [rand.dist.samp.discrete], class template discrete_distribution
+  using std::discrete_distribution;
+
+  // [rand.dist.samp.pconst], class template piecewise_constant_distribution
+  using std::piecewise_constant_distribution;
+
+  // [rand.dist.samp.plinear], class template piecewise_linear_distribution
+  using std::piecewise_linear_distribution;
+} // namespace std