diff --git a/easybuild/easyconfigs/l/LLVM/LLVM-14.0.6-GCCcore-13.2.0-llvmlite.eb b/easybuild/easyconfigs/l/LLVM/LLVM-14.0.6-GCCcore-13.2.0-llvmlite.eb
index e4404e19446c..1bfb0fad881a 100644
--- a/easybuild/easyconfigs/l/LLVM/LLVM-14.0.6-GCCcore-13.2.0-llvmlite.eb
+++ b/easybuild/easyconfigs/l/LLVM/LLVM-14.0.6-GCCcore-13.2.0-llvmlite.eb
@@ -44,6 +44,8 @@ builddependencies = [
 dependencies = [
     ('ncurses', '6.4'),
     ('zlib', '1.2.13'),
+    ('libxml2', '2.11.5'),
+    ('libffi', '3.4.4'),
 ]
 
 build_shared_libs = True
diff --git a/easybuild/easyconfigs/l/LLVM/LLVM-14.0.6-GCCcore-13.3.0-llvmlite.eb b/easybuild/easyconfigs/l/LLVM/LLVM-14.0.6-GCCcore-13.3.0-llvmlite.eb
index 2bd8bea03a55..2f0954f600f0 100644
--- a/easybuild/easyconfigs/l/LLVM/LLVM-14.0.6-GCCcore-13.3.0-llvmlite.eb
+++ b/easybuild/easyconfigs/l/LLVM/LLVM-14.0.6-GCCcore-13.3.0-llvmlite.eb
@@ -44,6 +44,8 @@ builddependencies = [
 dependencies = [
     ('ncurses', '6.5'),
     ('zlib', '1.3.1'),
+    ('libxml2', '2.12.7'),
+    ('libffi', '3.4.5'),
 ]
 
 build_shared_libs = True
diff --git a/easybuild/easyconfigs/l/LLVM/LLVM-16.0.6-GCCcore-13.2.0.eb b/easybuild/easyconfigs/l/LLVM/LLVM-16.0.6-GCCcore-13.2.0.eb
index 97adb90bd5d4..309a4272f22f 100644
--- a/easybuild/easyconfigs/l/LLVM/LLVM-16.0.6-GCCcore-13.2.0.eb
+++ b/easybuild/easyconfigs/l/LLVM/LLVM-16.0.6-GCCcore-13.2.0.eb
@@ -30,6 +30,9 @@ builddependencies = [
 dependencies = [
     ('ncurses', '6.4'),
     ('zlib', '1.2.13'),
+    ('libxml2', '2.11.5'),
+    ('zstd', '1.5.5'),
+    ('libffi', '3.4.4'),
 ]
 
 build_shared_libs = True
diff --git a/easybuild/easyconfigs/l/LLVM/LLVM-18.1.8-GCCcore-13.3.0-minimal.eb b/easybuild/easyconfigs/l/LLVM/LLVM-18.1.8-GCCcore-13.3.0-minimal.eb
index f23fa0ad0f4d..f8952da0160b 100644
--- a/easybuild/easyconfigs/l/LLVM/LLVM-18.1.8-GCCcore-13.3.0-minimal.eb
+++ b/easybuild/easyconfigs/l/LLVM/LLVM-18.1.8-GCCcore-13.3.0-minimal.eb
@@ -31,6 +31,9 @@ builddependencies = [
 dependencies = [
     ('ncurses', '6.5'),
     ('zlib', '1.3.1'),
+    ('libxml2', '2.12.7'),
+    ('zstd', '1.5.6'),
+    ('libffi', '3.4.5'),
 ]
 
 build_shared_libs = True