diff --git a/vtk.spec b/vtk.spec
index 688d2fe..a504a97 100644
--- a/vtk.spec
+++ b/vtk.spec
@@ -54,7 +54,7 @@
 Summary: The Visualization Toolkit - A high level 3D visualization library
 Name: vtk
 Version: 9.2.6
-Release: 13%{?dist}
+Release: 14%{?dist}
 License: BSD-3-Clause
 Source0: https://www.vtk.org/files/release/9.2/VTK-%{version}.tar.gz
 Source1: https://www.vtk.org/files/release/9.2/VTKData-%{version}.tar.gz
@@ -559,6 +559,8 @@ find vtk-examples -type f | xargs chmod -R a-x
 %endif \
 %if %{with java} \
  -DVTK_WRAP_JAVA:BOOL=ON \\\
+ -DVTK_JAVA_SOURCE_VERSION=8 \\\
+ -DVTK_JAVA_TARGET_VERSION=8 \\\
  -DJAVA_INCLUDE_PATH:PATH=$JAVA_HOME/include \\\
  -DJAVA_INCLUDE_PATH2:PATH=$JAVA_HOME/include/linux \\\
  -DJAVA_AWT_INCLUDE_PATH:PATH=$JAVA_HOME/include \\\
@@ -844,6 +846,9 @@ cat xorg.log
 
 
 %changelog
+* Wed Apr 10 2024 Orion Poplawski <orion@nwra.com> - 9.2.6-14
+- Set Java source/target version to 8 (FTBFS bz#2272954)
+
 * Sat Feb 24 2024 David Abdurachmanov <davidlt@rivosinc.com> - 9.2.6-13
 - Reduce memory and ncpu usage during riscv64 builds