diff --git a/build.gradle.kts b/build.gradle.kts
index 9df2981100..ad4485b2a9 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -14,8 +14,8 @@ description = "The Unidata netCDF-Java library (aka CDM)."
 // and run ./gradlew wrapper twice
 tasks.wrapper {
   distributionType = Wrapper.DistributionType.ALL
-  gradleVersion = "9.3.1"
-  distributionSha256Sum = "17f277867f6914d61b1aa02efab1ba7bb439ad652ca485cd8ca6842fccec6e43"
+  gradleVersion = "9.4.0"
+  distributionSha256Sum = "b21468753cb43c167738ee04f10c706c46459cf8f8ae6ea132dc9ce589a261f2"
 }
 
 spotless {
diff --git a/gradle/ncj.libs.versions.toml b/gradle/ncj.libs.versions.toml
index cd4e268eaa..e69ee12d67 100644
--- a/gradle/ncj.libs.versions.toml
+++ b/gradle/ncj.libs.versions.toml
@@ -111,10 +111,9 @@ pragmatists-junitparams = { module = "pl.pragmatists:JUnitParams", version.ref =
 logback-classic = { module = "ch.qos.logback:logback-classic", version.ref = "logback-classic" }
 
 [plugins]
-# versions = { id = "com.github.ben-manes.versions", version = "0.45.0" }
-cyclonedx-bom = { id = "org.cyclonedx.bom", version = "3.1.0" }
+cyclonedx-bom = { id = "org.cyclonedx.bom", version = "3.2.0" }
 execfork = { id = "com.github.psxpaul.execfork", version = "0.2.2"}
-javacc = { id = "org.javacc.javacc", version = "4.0.1" }
-protobuf = { id = "com.google.protobuf", version = "0.9.5" }
-shadow = { id = "com.gradleup.shadow", version = "9.3.1" }
-spotless = { id = "com.diffplug.spotless", version = "8.2.1" }
+javacc = { id = "org.javacc.javacc", version = "4.0.3" }
+protobuf = { id = "com.google.protobuf", version = "0.9.6" }
+shadow = { id = "com.gradleup.shadow", version = "9.3.2" }
+spotless = { id = "com.diffplug.spotless", version = "8.3.0" }
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 61285a659d..d997cfc60f 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 17c9e60fba..5e1b8a0423 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,7 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionSha256Sum=17f277867f6914d61b1aa02efab1ba7bb439ad652ca485cd8ca6842fccec6e43
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.3.1-all.zip
+distributionSha256Sum=b21468753cb43c167738ee04f10c706c46459cf8f8ae6ea132dc9ce589a261f2
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.4.0-all.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
diff --git a/gradlew b/gradlew
index adff685a03..0262dcbd52 100755
--- a/gradlew
+++ b/gradlew
@@ -57,7 +57,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/b631911858264c0b6e4d6603d677ff5218766cee/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
diff --git a/uber-jars/build.gradle.kts b/uber-jars/build.gradle.kts
index 6a96f1d2eb..0b9f99ed42 100644
--- a/uber-jars/build.gradle.kts
+++ b/uber-jars/build.gradle.kts
@@ -133,6 +133,7 @@ val netcdfAllSbom =
     includeConfigs = listOf("netcdfAll")
     xmlOutput = artifactOutputLocation.get().file("netcdfAll-${project.version}-sbom.xml")
     jsonOutput = artifactOutputLocation.get().file("netcdfAll-${project.version}-sbom.json")
+    dependsOn(buildNetcdfAll)
   }
 
 val ncIdvSbom =
@@ -142,6 +143,7 @@ val ncIdvSbom =
     includeConfigs = listOf("ncIdv")
     xmlOutput = artifactOutputLocation.get().file("ncIdv-${project.version}-sbom.xml")
     jsonOutput = artifactOutputLocation.get().file("ncIdv-${project.version}-sbom.json")
+    dependsOn(buildNcIdv)
   }
 
 val toolsUISbom =
@@ -151,6 +153,7 @@ val toolsUISbom =
     includeConfigs = listOf("toolsUI")
     xmlOutput = artifactOutputLocation.get().file("toolsUI-${project.version}-sbom.xml")
     jsonOutput = artifactOutputLocation.get().file("toolsUI-${project.version}-sbom.json")
+    dependsOn(buildToolsUi)
   }
 
 val buildSboms = tasks.register("buildSboms") { dependsOn(netcdfAllSbom, ncIdvSbom, toolsUISbom) }