diff --git a/master-branch-pipeline.yml b/master-branch-pipeline.yml
index 1c72dc303..9378abb2d 100644
--- a/master-branch-pipeline.yml
+++ b/master-branch-pipeline.yml
@@ -90,6 +90,7 @@ steps:
       jdkVersionOption: '1.11'
       jdkArchitectureOption: 'x64'
       options: '--settings $(System.DefaultWorkingDirectory)/settings.xml -pl "!org.hl7.fhir.report, !org.hl7.fhir.validation.cli" -DdeployToSonatype'
+      mavenOptions: '-Xmx4096m'
       publishJUnitResults: false
 
   # Deploy the SNAPSHOT artifact to GitHub packages.
@@ -103,4 +104,5 @@ steps:
       jdkVersionOption: '1.11'
       jdkArchitectureOption: 'x64'
       options: '--settings $(System.DefaultWorkingDirectory)/settings.xml -pl "!org.hl7.fhir.report, !org.hl7.fhir.validation.cli" -Dmaven.test.skip -DdeployToGitHub'
+      mavenOptions: '-Xmx4096m'
       publishJUnitResults: false
diff --git a/pull-request-pipeline-parameterized.yml b/pull-request-pipeline-parameterized.yml
index e283de225..b6efa83de 100644
--- a/pull-request-pipeline-parameterized.yml
+++ b/pull-request-pipeline-parameterized.yml
@@ -24,7 +24,7 @@ jobs:
             inputs:
               mavenPomFile: 'pom.xml'
               options: '-Dmaven.repo.local=$(MAVEN_CACHE_FOLDER)'
-              mavenOptions: '-Xmx3072m'
+              mavenOptions: '-Xmx4096m'
               javaHomeOption: 'JDKVersion'
               jdkVersionOption: '${{image.jdkVersion}}'
               jdkArchitectureOption: 'x64'
@@ -35,7 +35,7 @@ jobs:
           - task: Maven@3
             inputs:
               mavenPomFile: 'pom.xml'
-              mavenOptions: '-Xmx3072m'
+              mavenOptions: '-Xmx4096m'
               javaHomeOption: 'JDKVersion'
               jdkVersionOption: '${{image.jdkVersion}}'
               jdkArchitectureOption: 'x64'
diff --git a/pull-request-pipeline.yml b/pull-request-pipeline.yml
index c5df1978f..9243c9429 100644
--- a/pull-request-pipeline.yml
+++ b/pull-request-pipeline.yml
@@ -39,7 +39,7 @@ jobs:
         inputs:
           mavenPomFile: 'pom.xml'
           options: '-Dmaven.repo.local=$(MAVEN_CACHE_FOLDER)'
-          mavenOptions: '-Xmx3072m'
+          mavenOptions: '-Xmx4096m'
           javaHomeOption: 'JDKVersion'
           jdkVersionOption: '1.11'
           jdkArchitectureOption: 'x64'
diff --git a/release-branch-pipeline.yml b/release-branch-pipeline.yml
index 83c2c4d3b..a4eb394db 100644
--- a/release-branch-pipeline.yml
+++ b/release-branch-pipeline.yml
@@ -127,7 +127,7 @@ jobs:
         - task: Maven@3
           inputs:
             mavenPomFile: 'pom.xml'
-            mavenOptions: '-Xmx3072m'
+            mavenOptions: '-Xmx4096m'
             javaHomeOption: 'JDKVersion'
             jdkVersionOption: '1.11'
             jdkArchitectureOption: 'x64'