diff --git a/eclipse-distribution/org.springframework.boot.ide.product.e426/pom.xml b/eclipse-distribution/org.springframework.boot.ide.product.e426/pom.xml
index a27513f71..055b401f5 100644
--- a/eclipse-distribution/org.springframework.boot.ide.product.e426/pom.xml
+++ b/eclipse-distribution/org.springframework.boot.ide.product.e426/pom.xml
@@ -466,17 +466,17 @@
 								<taskdef resource="net/sf/antcontrib/antcontrib.properties" />
 								<taskdef resource="org/springframework/build/aws/ant/antlib.xml" />
 
-								<checksum file="${project.build.directory}/products/spring-tool-suite-4-${unqualifiedVersion}.${p2.qualifier}-${dist.target}-macosx.cocoa.x86_64.dmg" algorithm="SHA1" fileext=".sha1" />
+								<checksum file="${project.build.directory}/products/spring-tool-suite-4-${unqualifiedVersion}.${p2.qualifier}-${dist.target}-macosx.cocoa.x86_64.dmg" algorithm="SHA-256" fileext=".sha256" />
 								<checksum file="${project.build.directory}/products/spring-tool-suite-4-${unqualifiedVersion}.${p2.qualifier}-${dist.target}-macosx.cocoa.x86_64.dmg" algorithm="MD5" fileext=".md5" />
-								<checksum file="${project.build.directory}/products/spring-tool-suite-4-${unqualifiedVersion}.${p2.qualifier}-${dist.target}-macosx.cocoa.aarch64.dmg" algorithm="SHA1" fileext=".sha1" />
+								<checksum file="${project.build.directory}/products/spring-tool-suite-4-${unqualifiedVersion}.${p2.qualifier}-${dist.target}-macosx.cocoa.aarch64.dmg" algorithm="SHA-256" fileext=".sha256" />
 								<checksum file="${project.build.directory}/products/spring-tool-suite-4-${unqualifiedVersion}.${p2.qualifier}-${dist.target}-macosx.cocoa.aarch64.dmg" algorithm="MD5" fileext=".md5" />
-								<checksum file="${project.build.directory}/products/spring-tool-suite-4-${unqualifiedVersion}.${p2.qualifier}-${dist.target}-linux.gtk.x86_64.tar.gz" algorithm="SHA1" fileext=".sha1" />
+								<checksum file="${project.build.directory}/products/spring-tool-suite-4-${unqualifiedVersion}.${p2.qualifier}-${dist.target}-linux.gtk.x86_64.tar.gz" algorithm="SHA-256" fileext=".sha256" />
 								<checksum file="${project.build.directory}/products/spring-tool-suite-4-${unqualifiedVersion}.${p2.qualifier}-${dist.target}-linux.gtk.x86_64.tar.gz" algorithm="MD5" fileext=".md5" />
-								<checksum file="${project.build.directory}/products/spring-tool-suite-4-${unqualifiedVersion}.${p2.qualifier}-${dist.target}-linux.gtk.aarch64.tar.gz" algorithm="SHA1" fileext=".sha1" />
+								<checksum file="${project.build.directory}/products/spring-tool-suite-4-${unqualifiedVersion}.${p2.qualifier}-${dist.target}-linux.gtk.aarch64.tar.gz" algorithm="SHA-256" fileext=".sha256" />
 								<checksum file="${project.build.directory}/products/spring-tool-suite-4-${unqualifiedVersion}.${p2.qualifier}-${dist.target}-linux.gtk.aarch64.tar.gz" algorithm="MD5" fileext=".md5" />
-								<checksum file="${project.build.directory}/products/spring-tool-suite-4-${unqualifiedVersion}.${p2.qualifier}-${dist.target}-win32.win32.x86_64.zip" algorithm="SHA1" fileext=".sha1" />
+								<checksum file="${project.build.directory}/products/spring-tool-suite-4-${unqualifiedVersion}.${p2.qualifier}-${dist.target}-win32.win32.x86_64.zip" algorithm="SHA-256" fileext=".sha256" />
 								<checksum file="${project.build.directory}/products/spring-tool-suite-4-${unqualifiedVersion}.${p2.qualifier}-${dist.target}-win32.win32.x86_64.zip" algorithm="MD5" fileext=".md5" />
-								<checksum file="${project.build.directory}/products/spring-tool-suite-4-${unqualifiedVersion}.${p2.qualifier}-${dist.target}-win32.win32.x86_64.self-extracting.jar" algorithm="SHA1" fileext=".sha1" />
+								<checksum file="${project.build.directory}/products/spring-tool-suite-4-${unqualifiedVersion}.${p2.qualifier}-${dist.target}-win32.win32.x86_64.self-extracting.jar" algorithm="SHA-256" fileext=".sha256" />
 								<checksum file="${project.build.directory}/products/spring-tool-suite-4-${unqualifiedVersion}.${p2.qualifier}-${dist.target}-win32.win32.x86_64.self-extracting.jar" algorithm="MD5" fileext=".md5" />
 
 								<s3 accessKey="${dist.accessKey}" secretKey="${dist.secretKey}">
@@ -486,15 +486,19 @@
 											<include name="spring-tool-suite-4*.zip" />
 											<include name="spring-tool-suite-4*.zip.md5" />
 											<include name="spring-tool-suite-4*.zip.sha1" />
+											<include name="spring-tool-suite-4*.zip.sha256" />
 											<include name="spring-tool-suite-4*.jar" />
 											<include name="spring-tool-suite-4*.jar.md5" />
 											<include name="spring-tool-suite-4*.jar.sha1" />
+											<include name="spring-tool-suite-4*.jar.sha256" />
 											<include name="spring-tool-suite-4*.tar.gz" />
 											<include name="spring-tool-suite-4*.tar.gz.md5" />
 											<include name="spring-tool-suite-4*.tar.gz.sha1" />
+											<include name="spring-tool-suite-4*.tar.gz.sha256" />
 											<include name="spring-tool-suite-4*.dmg" />
 											<include name="spring-tool-suite-4*.dmg.md5" />
 											<include name="spring-tool-suite-4*.dmg.sha1" />
+											<include name="spring-tool-suite-4*.dmg.sha256" />
 										</fileset>
 									</delete>
 
@@ -503,16 +507,16 @@
 										<fileset dir="${project.build.directory}/products">
 											<include name="spring-tool-suite-4*.zip" />
 											<include name="spring-tool-suite-4*.zip.md5" />
-											<include name="spring-tool-suite-4*.zip.sha1" />
+											<include name="spring-tool-suite-4*.zip.sha256" />
 											<include name="spring-tool-suite-4*.jar" />
 											<include name="spring-tool-suite-4*.jar.md5" />
-											<include name="spring-tool-suite-4*.jar.sha1" />
+											<include name="spring-tool-suite-4*.jar.sha256" />
 											<include name="spring-tool-suite-4*.tar.gz" />
 											<include name="spring-tool-suite-4*.tar.gz.md5" />
-											<include name="spring-tool-suite-4*.tar.gz.sha1" />
+											<include name="spring-tool-suite-4*.tar.gz.sha256" />
 											<include name="spring-tool-suite-4*.dmg" />
 											<include name="spring-tool-suite-4*.dmg.md5" />
-											<include name="spring-tool-suite-4*.dmg.sha1" />
+											<include name="spring-tool-suite-4*.dmg.sha256" />
 										</fileset>
 									</upload>
 
@@ -572,7 +576,7 @@
 									</zipfileset>
 								</zip>
 
-								<checksum file="${project.build.directory}/repository/${dist.file.name}" algorithm="SHA1" fileext=".sha1" />
+								<checksum file="${project.build.directory}/repository/${dist.file.name}" algorithm="SHA-256" fileext=".sha256" />
 								<checksum file="${project.build.directory}/repository/${dist.file.name}" algorithm="MD5" fileext=".md5" />
 
 							</target>
@@ -605,7 +609,7 @@
 											<include name="features/**" />
 											<include name="binary/**" />
 											<include name="*.zip" />
-											<include name="*.sha1" />
+											<include name="*.sha256" />
 											<include name="*.md5" />
 										</fileset>
 									</delete>