diff --git a/Directory.Packages.props b/Directory.Packages.props
index 4243ac62..8c6cd00c 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -20,9 +20,9 @@
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="5.0.0" />
 
     <!-- tests -->
-    <PackageVersion Include="TUnit" Version="1.76.45" />
+    <PackageVersion Include="TUnit" Version="1.81.10" />
     <!-- Unit tests only: property-based tests. Released with TUnit, so it takes the same version. -->
-    <PackageVersion Include="TUnit.FsCheck" Version="1.76.45" />
+    <PackageVersion Include="TUnit.FsCheck" Version="1.81.10" />
     <PackageVersion Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.12.0" />
     <!-- Integration tests only: starts the emulator containers. -->
     <PackageVersion Include="Testcontainers" Version="4.16.0" />
diff --git a/tests/DynaSharp.IntegrationTests/packages.lock.json b/tests/DynaSharp.IntegrationTests/packages.lock.json
index e01ea3f1..731370d9 100644
--- a/tests/DynaSharp.IntegrationTests/packages.lock.json
+++ b/tests/DynaSharp.IntegrationTests/packages.lock.json
@@ -22,15 +22,15 @@
       },
       "TUnit": {
         "type": "Direct",
-        "requested": "[1.76.45, )",
-        "resolved": "1.76.45",
-        "contentHash": "WHkqIQyVP61g2qcJeMJiVrA9KunnhRECvB9bRSAAM0d8dUUwkCrh6Dk3uh+KgfWhtTCp1vGnXKx50ogmDJEhEw==",
+        "requested": "[1.81.10, )",
+        "resolved": "1.81.10",
+        "contentHash": "pS2dtNcP5V1V8q2Wmn6iAONYHtSuMJ6WziXQIMtJPAkinfR4uogJ20XC4YVl9bvdMRT6E6EdcZ77+NtPcb31Eg==",
         "dependencies": {
           "Microsoft.Testing.Extensions.CodeCoverage": "18.12.0",
           "Microsoft.Testing.Extensions.Telemetry": "2.5.2",
           "Microsoft.Testing.Extensions.TrxReport": "2.5.2",
-          "TUnit.Assertions": "1.76.45",
-          "TUnit.Engine": "1.76.45"
+          "TUnit.Assertions": "1.81.10",
+          "TUnit.Engine": "1.81.10"
         }
       },
       "BouncyCastle.Cryptography": {
@@ -169,23 +169,23 @@
       },
       "TUnit.Assertions": {
         "type": "Transitive",
-        "resolved": "1.76.45",
-        "contentHash": "Yi1tiULYXNlQtmq1hw8nuE1EDXjgGJJ4aBC7m9onLCE7Kv63kgLQxg/qvtc2G3DvhTFEd2kIBKFfLbRhFbikJA=="
+        "resolved": "1.81.10",
+        "contentHash": "1DEAWwQpiuN8tRSOSbBmwEfrfA1p2N3OjpO2pYcbhVF6erdyED+JKT7Vq9YXpb50w/Ttc+4iRI+A20oC3NN8pA=="
       },
       "TUnit.Core": {
         "type": "Transitive",
-        "resolved": "1.76.45",
-        "contentHash": "wHMm5LA7abi2ndNWxquQINVIZU8zBjptExcdh3vvRIne50BzNDJ7FsQVFumDd4247QR9NFrbpEMPwKi/PW9aMA=="
+        "resolved": "1.81.10",
+        "contentHash": "j8JWWkOrqREW3J1rkejL8MOLzFwNuGY+HCdI5gxIVN60sK5xlSWd6VY7DBpmEal5W/hi72rAnSsQhF0e7BTWIw=="
       },
       "TUnit.Engine": {
         "type": "Transitive",
-        "resolved": "1.76.45",
-        "contentHash": "PUQ/9G4CUL0vuPySb5czp6vrUdwJxmnumd2DNz+BDXfcBeMoKWrZnfby1XY122oCgtud/0WypKpiWShPvIzi3A==",
+        "resolved": "1.81.10",
+        "contentHash": "P+qFCHZsrPuDywXEbYdOrZqBXur7Tp+KfVJ1mglAHuWxZSqdzzMZoOZBeFpHPpc8LkWnR3XVzVZ2Ein5fkRzpg==",
         "dependencies": {
           "Microsoft.Testing.Extensions.TrxReport.Abstractions": "2.5.2",
           "Microsoft.Testing.Platform": "2.5.2",
           "Microsoft.Testing.Platform.MSBuild": "2.5.2",
-          "TUnit.Core": "1.76.45"
+          "TUnit.Core": "1.81.10"
         }
       },
       "dynasharp": {
diff --git a/tests/DynaSharp.UnitTests/packages.lock.json b/tests/DynaSharp.UnitTests/packages.lock.json
index 3619e56c..43fbf1e7 100644
--- a/tests/DynaSharp.UnitTests/packages.lock.json
+++ b/tests/DynaSharp.UnitTests/packages.lock.json
@@ -46,25 +46,25 @@
       },
       "TUnit": {
         "type": "Direct",
-        "requested": "[1.76.45, )",
-        "resolved": "1.76.45",
-        "contentHash": "WHkqIQyVP61g2qcJeMJiVrA9KunnhRECvB9bRSAAM0d8dUUwkCrh6Dk3uh+KgfWhtTCp1vGnXKx50ogmDJEhEw==",
+        "requested": "[1.81.10, )",
+        "resolved": "1.81.10",
+        "contentHash": "pS2dtNcP5V1V8q2Wmn6iAONYHtSuMJ6WziXQIMtJPAkinfR4uogJ20XC4YVl9bvdMRT6E6EdcZ77+NtPcb31Eg==",
         "dependencies": {
           "Microsoft.Testing.Extensions.CodeCoverage": "18.12.0",
           "Microsoft.Testing.Extensions.Telemetry": "2.5.2",
           "Microsoft.Testing.Extensions.TrxReport": "2.5.2",
-          "TUnit.Assertions": "1.76.45",
-          "TUnit.Engine": "1.76.45"
+          "TUnit.Assertions": "1.81.10",
+          "TUnit.Engine": "1.81.10"
         }
       },
       "TUnit.FsCheck": {
         "type": "Direct",
-        "requested": "[1.76.45, )",
-        "resolved": "1.76.45",
-        "contentHash": "8Jb4tNQzY6W6uEYDpzWn+aYH1tOGa1IqYqblrl3ZA2MTdjZB3CP4+Xr58sLmSgiLZxxUtZ64FF/E3+3amcUZcg==",
+        "requested": "[1.81.10, )",
+        "resolved": "1.81.10",
+        "contentHash": "cFwZtJNbp0ZDR80Z4GtLwSewrQsxIuv9rC5w/Rn/mx9KGzNig9G2oPjaADg7wXXq8BelsXBmdq/CoAw8+KHqVw==",
         "dependencies": {
           "FsCheck": "3.6.0",
-          "TUnit": "1.76.45"
+          "TUnit": "1.81.10"
         }
       },
       "FsCheck": {
@@ -218,23 +218,23 @@
       },
       "TUnit.Assertions": {
         "type": "Transitive",
-        "resolved": "1.76.45",
-        "contentHash": "Yi1tiULYXNlQtmq1hw8nuE1EDXjgGJJ4aBC7m9onLCE7Kv63kgLQxg/qvtc2G3DvhTFEd2kIBKFfLbRhFbikJA=="
+        "resolved": "1.81.10",
+        "contentHash": "1DEAWwQpiuN8tRSOSbBmwEfrfA1p2N3OjpO2pYcbhVF6erdyED+JKT7Vq9YXpb50w/Ttc+4iRI+A20oC3NN8pA=="
       },
       "TUnit.Core": {
         "type": "Transitive",
-        "resolved": "1.76.45",
-        "contentHash": "wHMm5LA7abi2ndNWxquQINVIZU8zBjptExcdh3vvRIne50BzNDJ7FsQVFumDd4247QR9NFrbpEMPwKi/PW9aMA=="
+        "resolved": "1.81.10",
+        "contentHash": "j8JWWkOrqREW3J1rkejL8MOLzFwNuGY+HCdI5gxIVN60sK5xlSWd6VY7DBpmEal5W/hi72rAnSsQhF0e7BTWIw=="
       },
       "TUnit.Engine": {
         "type": "Transitive",
-        "resolved": "1.76.45",
-        "contentHash": "PUQ/9G4CUL0vuPySb5czp6vrUdwJxmnumd2DNz+BDXfcBeMoKWrZnfby1XY122oCgtud/0WypKpiWShPvIzi3A==",
+        "resolved": "1.81.10",
+        "contentHash": "P+qFCHZsrPuDywXEbYdOrZqBXur7Tp+KfVJ1mglAHuWxZSqdzzMZoOZBeFpHPpc8LkWnR3XVzVZ2Ein5fkRzpg==",
         "dependencies": {
           "Microsoft.Testing.Extensions.TrxReport.Abstractions": "2.5.2",
           "Microsoft.Testing.Platform": "2.5.2",
           "Microsoft.Testing.Platform.MSBuild": "2.5.2",
-          "TUnit.Core": "1.76.45"
+          "TUnit.Core": "1.81.10"
         }
       },
       "dynasharp": {