diff --git a/Build/mkall.targets b/Build/mkall.targets
index d821c2147f..b665f88417 100644
--- a/Build/mkall.targets
+++ b/Build/mkall.targets
@@ -236,7 +236,7 @@
 		<ParatextNugetVersion>9.4.0.1-beta</ParatextNugetVersion>
 		<LcmNugetVersion>11.0.0-beta0149</LcmNugetVersion>
 		<IcuNugetVersion>70.1.123</IcuNugetVersion>
-		<HermitCrabNugetVersion>3.7.4</HermitCrabNugetVersion>
+		<HermitCrabNugetVersion>3.7.13</HermitCrabNugetVersion>
 		<IPCFrameworkVersion>1.1.1-beta0001</IPCFrameworkVersion>
 		<!-- bt393 is the master branch build of ExCss for Windows development. Update when appropriate. -->
 		<ExCssBuildType Condition="'$(OS)'=='Windows_NT'">bt393</ExCssBuildType>
diff --git a/Build/nuget-common/packages.config b/Build/nuget-common/packages.config
index fcbe0bce80..8071f90415 100644
--- a/Build/nuget-common/packages.config
+++ b/Build/nuget-common/packages.config
@@ -65,8 +65,8 @@
   <package id="SIL.libpalaso.l10ns" version="6.0.0" targetFramework="net461" />
   <package id="SIL.Lift" version="17.0.0-beta0089"  targetFramework="net462" />
   <package id="SIL.Media" version="17.0.0-beta0089"  targetFramework="net462" />
-  <package id="SIL.Machine" version="3.7.4"  targetFramework="netstandard2.0" />
-  <package id="SIL.Machine.Morphology.HermitCrab" version="3.7.4"  targetFramework="netstandard2.0" />
+  <package id="SIL.Machine" version="3.7.13"  targetFramework="netstandard2.0" />
+  <package id="SIL.Machine.Morphology.HermitCrab" version="3.7.13"  targetFramework="netstandard2.0" />
   <package id="SIL.ParatextShared" version="7.4.0.1"  targetFramework="net40" /> <!-- REVIEW (Hasso) 2023.05: do we still integrate with PT 7? -->
   <package id="SIL.Scripture" version="17.0.0-beta0089"  targetFramework="net462" />
   <package id="SIL.TestUtilities" version="17.0.0-beta0089"  targetFramework="net462" />
diff --git a/Src/LexText/ParserCore/HCLoader.cs b/Src/LexText/ParserCore/HCLoader.cs
index 473bff98b3..887c49daf2 100644
--- a/Src/LexText/ParserCore/HCLoader.cs
+++ b/Src/LexText/ParserCore/HCLoader.cs
@@ -2043,11 +2043,6 @@ private RewriteRule LoadRewriteRule(IPhRegularRule prule)
 			}
 			hcPrule.Properties[HCParser.PRuleID] = prule.Hvo;
 
-			if (hcPrule.Lhs.Children.Count > 1)
-			{
-				m_logger.InvalidRewriteRule(prule, ParserCoreStrings.ksMaxElementsInRule);
-				return null;
-			}
 			foreach (IPhSegRuleRHS rhs in prule.RightHandSidesOS)
 			{
 				var psubrule = new RewriteSubrule();
@@ -2098,12 +2093,6 @@ private RewriteRule LoadRewriteRule(IPhRegularRule prule)
 					psubrule.RightEnvironment = rightPattern;
 				}
 
-				if (psubrule.Rhs.Children.Count > 1)
-				{
-					m_logger.InvalidRewriteRule(prule, ParserCoreStrings.ksMaxElementsInRule);
-					return null;
-				}
-
 				hcPrule.Subrules.Add(psubrule);
 			}
 
diff --git a/Src/LexText/ParserCore/ParserCoreStrings.Designer.cs b/Src/LexText/ParserCore/ParserCoreStrings.Designer.cs
index af13bc7fe8..e1fd20fee7 100644
--- a/Src/LexText/ParserCore/ParserCoreStrings.Designer.cs
+++ b/Src/LexText/ParserCore/ParserCoreStrings.Designer.cs
@@ -1,4 +1,4 @@
-//------------------------------------------------------------------------------
+//------------------------------------------------------------------------------
 // <auto-generated>
 //     This code was generated by a tool.
 //     Runtime Version:4.0.30319.42000
@@ -132,15 +132,6 @@ internal static string ksIrregularlyInflectedFormNullAffix {
             }
         }
         
-        /// <summary>
-        ///   Looks up a localized string similar to A rule can&apos;t have more than one element in its left-hand side or its right-hand side..
-        /// </summary>
-        internal static string ksMaxElementsInRule {
-            get {
-                return ResourceManager.GetString("ksMaxElementsInRule", resourceCulture);
-            }
-        }
-        
         /// <summary>
         ///   Looks up a localized string similar to Parsing {0}.
         /// </summary>
diff --git a/Src/LexText/ParserCore/ParserCoreStrings.resx b/Src/LexText/ParserCore/ParserCoreStrings.resx
index da997fcf6a..7ae94aa3a4 100644
--- a/Src/LexText/ParserCore/ParserCoreStrings.resx
+++ b/Src/LexText/ParserCore/ParserCoreStrings.resx
@@ -189,7 +189,4 @@
   <data name="ksParsingX" xml:space="preserve">
     <value>Parsing {0}</value>
   </data>
-  <data name="ksMaxElementsInRule" xml:space="preserve">
-    <value>A rule can't have more than one element in its left-hand side or its right-hand side.</value>
-  </data>
 </root>
\ No newline at end of file