diff --git a/easybuild/easyconfigs/p/PLUMED/PLUMED-2.6.2-foss-2020b.eb b/easybuild/easyconfigs/p/PLUMED/PLUMED-2.6.2-foss-2020b.eb
index 3fb97d9ba7c..da1d6cc2774 100644
--- a/easybuild/easyconfigs/p/PLUMED/PLUMED-2.6.2-foss-2020b.eb
+++ b/easybuild/easyconfigs/p/PLUMED/PLUMED-2.6.2-foss-2020b.eb
@@ -20,6 +20,10 @@ source_urls = ['https://github.com/plumed/plumed2/releases/download/v%(version)s
 sources = [SOURCE_TGZ]
 checksums = ['1ab3153db2010406852b30201ed94112e25eca4c4c8c4b41a29c22a7a3303f96']
 
+builddependencies = [
+    ('xxd', '8.2.4220'),
+]
+
 dependencies = [
     ('zlib', '1.2.11'),
     ('GSL', '2.6'),
diff --git a/easybuild/easyconfigs/p/PLUMED/PLUMED-2.6.2-intel-2020b.eb b/easybuild/easyconfigs/p/PLUMED/PLUMED-2.6.2-intel-2020b.eb
index 16200c8e59a..86b9edfe391 100644
--- a/easybuild/easyconfigs/p/PLUMED/PLUMED-2.6.2-intel-2020b.eb
+++ b/easybuild/easyconfigs/p/PLUMED/PLUMED-2.6.2-intel-2020b.eb
@@ -20,6 +20,10 @@ source_urls = ['https://github.com/plumed/plumed2/releases/download/v%(version)s
 sources = [SOURCE_TGZ]
 checksums = ['1ab3153db2010406852b30201ed94112e25eca4c4c8c4b41a29c22a7a3303f96']
 
+builddependencies = [
+    ('xxd', '8.2.4220'),
+]
+
 dependencies = [
     ('zlib', '1.2.11'),
     ('GSL', '2.6'),
diff --git a/easybuild/easyconfigs/p/PLUMED/PLUMED-2.7.0-foss-2020b.eb b/easybuild/easyconfigs/p/PLUMED/PLUMED-2.7.0-foss-2020b.eb
index 05666961bc2..efbec7485f0 100644
--- a/easybuild/easyconfigs/p/PLUMED/PLUMED-2.7.0-foss-2020b.eb
+++ b/easybuild/easyconfigs/p/PLUMED/PLUMED-2.7.0-foss-2020b.eb
@@ -18,6 +18,10 @@ source_urls = ['https://github.com/plumed/plumed2/releases/download/v%(version)s
 sources = [SOURCE_TGZ]
 checksums = ['b23399a3300ce3ae080e81263274ab8551e00217c3f37cb33cb7e37954fe8572']
 
+builddependencies = [
+    ('xxd', '8.2.4220'),
+]
+
 dependencies = [
     ('zlib', '1.2.11'),
     ('GSL', '2.6'),
diff --git a/easybuild/easyconfigs/p/PLUMED/PLUMED-2.7.2-foss-2021a.eb b/easybuild/easyconfigs/p/PLUMED/PLUMED-2.7.2-foss-2021a.eb
index ba5e629146f..886f07ba021 100644
--- a/easybuild/easyconfigs/p/PLUMED/PLUMED-2.7.2-foss-2021a.eb
+++ b/easybuild/easyconfigs/p/PLUMED/PLUMED-2.7.2-foss-2021a.eb
@@ -18,6 +18,10 @@ source_urls = ['https://github.com/plumed/plumed2/releases/download/v%(version)s
 sources = [SOURCE_TGZ]
 checksums = ['6069bc134f74cb15dd63e27e3587a15a31a9ddd9e7eebdd717da898f31512645']
 
+builddependencies = [
+    ('xxd', '8.2.4220'),
+]
+
 dependencies = [
     ('zlib', '1.2.11'),
     ('GSL', '2.7'),
diff --git a/easybuild/easyconfigs/p/PLUMED/PLUMED-2.7.2-intel-2021a.eb b/easybuild/easyconfigs/p/PLUMED/PLUMED-2.7.2-intel-2021a.eb
index fe971797a8e..ba0747ac705 100644
--- a/easybuild/easyconfigs/p/PLUMED/PLUMED-2.7.2-intel-2021a.eb
+++ b/easybuild/easyconfigs/p/PLUMED/PLUMED-2.7.2-intel-2021a.eb
@@ -18,6 +18,10 @@ source_urls = ['https://github.com/plumed/plumed2/releases/download/v%(version)s
 sources = [SOURCE_TGZ]
 checksums = ['6069bc134f74cb15dd63e27e3587a15a31a9ddd9e7eebdd717da898f31512645']
 
+builddependencies = [
+    ('xxd', '8.2.4220'),
+]
+
 dependencies = [
     ('zlib', '1.2.11'),
     ('GSL', '2.7'),
diff --git a/easybuild/easyconfigs/p/PLUMED/PLUMED-2.7.3-foss-2021b.eb b/easybuild/easyconfigs/p/PLUMED/PLUMED-2.7.3-foss-2021b.eb
index 5e10ec4a8f3..c7f467034e0 100644
--- a/easybuild/easyconfigs/p/PLUMED/PLUMED-2.7.3-foss-2021b.eb
+++ b/easybuild/easyconfigs/p/PLUMED/PLUMED-2.7.3-foss-2021b.eb
@@ -18,6 +18,10 @@ source_urls = ['https://github.com/plumed/plumed2/releases/download/v%(version)s
 sources = [SOURCE_TGZ]
 checksums = ['2895515f31aae42002a539222f5b8558037496548a061b5d0db136d3a46f618b']
 
+builddependencies = [
+    ('xxd', '8.2.4220'),
+]
+
 dependencies = [
     ('zlib', '1.2.11'),
     ('GSL', '2.7'),