diff --git a/test/blackbox-tests/test-cases/pkg/check-dependency-hash.t b/test/blackbox-tests/test-cases/pkg/check-dependency-hash.t
index e81da810942..cca89e64788 100644
--- a/test/blackbox-tests/test-cases/pkg/check-dependency-hash.t
+++ b/test/blackbox-tests/test-cases/pkg/check-dependency-hash.t
@@ -52,7 +52,7 @@ Add a non-local dependency to the package:
   $ cat dune.lock/lock.dune
   (lang package 0.1)
   
-  (dependency_hash 69dfdf4e6a7c8489262f9d8b9958c9b3)
+  (dependency_hash 7c969ef65443f38b2b3b736489d59225)
   
   (repositories
    (complete false)
@@ -72,9 +72,9 @@ Add a second dependency to the project:
   Error: Dependency hash in lockdir does not match the hash of non-local
   dependencies of this project. The lockdir expects the the non-local
   dependencies to hash to:
-  69dfdf4e6a7c8489262f9d8b9958c9b3
+  7c969ef65443f38b2b3b736489d59225
   ...but the non-local dependencies of this project hash to:
-  0cd7f9253f917ae8182c904fac99c3d9
+  3ce208bd4511abde4b63d1f23eb3dc52
   Hint: Regenerate the lockdir by running 'dune pkg lock'
   Error: Some lockdirs do not contain solutions for local packages:
   - dune.lock
@@ -90,7 +90,7 @@ Remove all dependencies from the project:
   Lockdir dune.lock does not contain a solution for local packages:
   File "dune.lock/lock.dune", line 3, characters 17-49:
   Error: This project has no non-local dependencies yet the lockfile contains a
-  dependency hash: 69dfdf4e6a7c8489262f9d8b9958c9b3
+  dependency hash: 7c969ef65443f38b2b3b736489d59225
   Hint: Regenerate the lockdir by running 'dune pkg lock'
   Error: Some lockdirs do not contain solutions for local packages:
   - dune.lock
diff --git a/test/blackbox-tests/test-cases/pkg/dependency-hash.t b/test/blackbox-tests/test-cases/pkg/dependency-hash.t
index 3c9165de06b..da090bb650d 100644
--- a/test/blackbox-tests/test-cases/pkg/dependency-hash.t
+++ b/test/blackbox-tests/test-cases/pkg/dependency-hash.t
@@ -40,7 +40,7 @@ A single package with a single non-local dependency:
   >   foo))
   > EOF
   $ dune describe pkg dependency-hash | tee hash1.txt
-  9f76a6d656fe14d54ba74f864e736dc3
+  342113efdcc34a7a10e7bd6f70e2463c
 
 Adding another dependency causes the hash to change:
   $ cat >dune-project <<EOF
@@ -52,12 +52,12 @@ Adding another dependency causes the hash to change:
   >   bar))
   > EOF
   $ dune describe pkg dependency-hash | tee hash2.txt
-  142f33129a06ccbebd65a0bad3d94857
+  832e7a002ca8215a6507963d27b06b01
   $ diff hash1.txt hash2.txt
   1c1
-  < 9f76a6d656fe14d54ba74f864e736dc3
+  < 342113efdcc34a7a10e7bd6f70e2463c
   ---
-  > 142f33129a06ccbebd65a0bad3d94857
+  > 832e7a002ca8215a6507963d27b06b01
   [1]
 
 Adding a new local package which depends on one of the existing dependencies
@@ -75,7 +75,7 @@ doesn't change the hash:
   >   foo))
   > EOF
   $ dune describe pkg dependency-hash | tee hash3.txt
-  142f33129a06ccbebd65a0bad3d94857
+  832e7a002ca8215a6507963d27b06b01
   $ diff hash2.txt hash3.txt
 
 Adding a constraint to one of the dependencies causes the hash to change:
@@ -92,12 +92,12 @@ Adding a constraint to one of the dependencies causes the hash to change:
   >   (foo (and :with-test (> 0.1)))))
   > EOF
   $ dune describe pkg dependency-hash | tee hash4.txt
-  ecad1d0d60084711169be48b130c9c52
+  33b01608bfca250def72900422dcea38
   $ diff hash3.txt hash4.txt
   1c1
-  < 142f33129a06ccbebd65a0bad3d94857
+  < 832e7a002ca8215a6507963d27b06b01
   ---
-  > ecad1d0d60084711169be48b130c9c52
+  > 33b01608bfca250def72900422dcea38
   [1]
 
 Adding another local package with the same dependency and constraint doesn't
@@ -119,5 +119,5 @@ change the hash:
   >   (foo (and :with-test (> 0.1)))))
   > EOF
   $ dune describe pkg dependency-hash | tee hash5.txt
-  ecad1d0d60084711169be48b130c9c52
+  33b01608bfca250def72900422dcea38
   $ diff hash4.txt hash5.txt
diff --git a/test/blackbox-tests/test-cases/pkg/hash-algos.t b/test/blackbox-tests/test-cases/pkg/hash-algos.t
index 4751b6af34d..c8e0ec2896a 100644
--- a/test/blackbox-tests/test-cases/pkg/hash-algos.t
+++ b/test/blackbox-tests/test-cases/pkg/hash-algos.t
@@ -63,7 +63,7 @@ first checksum to the lockfile for this package.
   $ cat dune.lock/*
   (lang package 0.1)
   
-  (dependency_hash 4435ebc0724374e2f76349d7a2e7ab6e)
+  (dependency_hash c911af2d47a04e015a29636a05923f5c)
   
   (repositories
    (complete false)
diff --git a/test/blackbox-tests/test-cases/pkg/lockfile-generation.t/run.t b/test/blackbox-tests/test-cases/pkg/lockfile-generation.t/run.t
index 6739a3a580c..5b6024e4e92 100644
--- a/test/blackbox-tests/test-cases/pkg/lockfile-generation.t/run.t
+++ b/test/blackbox-tests/test-cases/pkg/lockfile-generation.t/run.t
@@ -78,7 +78,7 @@ Print the contents of each file in the lockdir:
   
   (lang package 0.1)
   
-  (dependency_hash ca83e32ab35d71d20fa075b395046c29)
+  (dependency_hash 0cb770713d87846beb6ba6c5c395b683)
   
   (repositories
    (complete false)
@@ -123,7 +123,7 @@ Run the solver again preferring oldest versions of dependencies:
   
   (lang package 0.1)
   
-  (dependency_hash ca83e32ab35d71d20fa075b395046c29)
+  (dependency_hash 0cb770713d87846beb6ba6c5c395b683)
   
   (repositories
    (complete false)
diff --git a/test/blackbox-tests/test-cases/pkg/solver-vars-in-lockdir-metadata.t b/test/blackbox-tests/test-cases/pkg/solver-vars-in-lockdir-metadata.t
index d1b594d379b..8c66b71f112 100644
--- a/test/blackbox-tests/test-cases/pkg/solver-vars-in-lockdir-metadata.t
+++ b/test/blackbox-tests/test-cases/pkg/solver-vars-in-lockdir-metadata.t
@@ -74,7 +74,7 @@ Solve the packages again, this time with the variables set.
   - static-deps.1.0
   (lang package 0.1)
   
-  (dependency_hash aea7daa72b636fa3a44973ec5e29d225)
+  (dependency_hash a1a30b488bcb8ef731895f5f19ecfde7)
   
   (repositories
    (complete false)
@@ -85,7 +85,7 @@ Solve the packages again, this time with the variables set.
   - no-deps-b.1.0
   (lang package 0.1)
   
-  (dependency_hash 6957fba0128609ffc98fac2561c329cb)
+  (dependency_hash 47ebf1c4f58a56159a2e115555020ae0)
   
   (repositories
    (complete false)
@@ -101,7 +101,7 @@ Solve the packages again, this time with the variables set.
   - no-deps-b.1.0
   (lang package 0.1)
   
-  (dependency_hash 9675a3014e7e2db0f946b3ad2a95c037)
+  (dependency_hash 7a437f46854c2819ea86daaa4624620e)
   
   (repositories
    (complete false)
@@ -149,7 +149,7 @@ stored in the lockdir metadata:
   $ cat dune.lock/lock.dune
   (lang package 0.1)
   
-  (dependency_hash 72ab96748951e41c88d4ad9673fea081)
+  (dependency_hash 01f9766396e464df83afd0f30fc0a919)
   
   (repositories
    (complete false)