diff --git a/easybuild/easyconfigs/i/IDBA-UD/IDBA-UD-1.1.3-GCC-10.3.0.eb b/easybuild/easyconfigs/i/IDBA-UD/IDBA-UD-1.1.3-GCCcore-12.3.0.eb
index 6b69859e25..83d24a82ee 100644
--- a/easybuild/easyconfigs/i/IDBA-UD/IDBA-UD-1.1.3-GCC-10.3.0.eb
+++ b/easybuild/easyconfigs/i/IDBA-UD/IDBA-UD-1.1.3-GCCcore-12.3.0.eb
@@ -24,12 +24,14 @@ locally to generate some missing k-mers in low-depth regions. With these technol
 can iterate k value of de Bruijn graph to a very large value with less gaps and less branches
 to form long contigs in both low-depth and high-depth regions."""
 
-toolchain = {'name': 'GCC', 'version': '10.3.0'}
+toolchain = {'name': 'GCCcore', 'version': '12.3.0'}
 
 source_urls = ['https://github.com/loneknightpy/idba/releases/download/%(version)s']
 sources = ['idba-%(version)s.tar.gz']
 checksums = ['030e24463c6d725c1c202baabf773b605b51e310844fd0f27f4688ecfbae26d0']
 
+builddependencies = [('binutils', '2.40')]
+
 prebuildopts = './configure && '
 
 # we delete every .o and Makefile file which is left in bin folder

diff --git a/easybuild/easyconfigs/i/IDBA-UD/IDBA-UD-1.1.3-GCC-11.2.0.eb b/easybuild/easyconfigs/i/IDBA-UD/IDBA-UD-1.1.3-GCCcore-12.3.0.eb
index 8d4d05d646..83d24a82ee 100644
--- a/easybuild/easyconfigs/i/IDBA-UD/IDBA-UD-1.1.3-GCC-11.2.0.eb
+++ b/easybuild/easyconfigs/i/IDBA-UD/IDBA-UD-1.1.3-GCCcore-12.3.0.eb
@@ -24,12 +24,14 @@ locally to generate some missing k-mers in low-depth regions. With these technol
 can iterate k value of de Bruijn graph to a very large value with less gaps and less branches
 to form long contigs in both low-depth and high-depth regions."""
 
-toolchain = {'name': 'GCC', 'version': '11.2.0'}
+toolchain = {'name': 'GCCcore', 'version': '12.3.0'}
 
 source_urls = ['https://github.com/loneknightpy/idba/releases/download/%(version)s']
 sources = ['idba-%(version)s.tar.gz']
 checksums = ['030e24463c6d725c1c202baabf773b605b51e310844fd0f27f4688ecfbae26d0']
 
+builddependencies = [('binutils', '2.40')]
+
 prebuildopts = './configure && '
 
 # we delete every .o and Makefile file which is left in bin folder

diff --git a/easybuild/easyconfigs/i/IDBA-UD/IDBA-UD-1.1.3-GCC-9.3.0.eb b/easybuild/easyconfigs/i/IDBA-UD/IDBA-UD-1.1.3-GCCcore-12.3.0.eb
index 4ef50bfe52..83d24a82ee 100644
--- a/easybuild/easyconfigs/i/IDBA-UD/IDBA-UD-1.1.3-GCC-9.3.0.eb
+++ b/easybuild/easyconfigs/i/IDBA-UD/IDBA-UD-1.1.3-GCCcore-12.3.0.eb
@@ -16,20 +16,22 @@ version = '1.1.3'
 
 homepage = 'https://i.cs.hku.hk/~alse/hkubrg/projects/idba_ud/'
 description = """ IDBA-UD is a iterative De Bruijn Graph De Novo Assembler for Short Reads
- Sequencing data with Highly Uneven Sequencing Depth. It is an extension of IDBA algorithm.
- IDBA-UD also iterates from small k to a large k. In each iteration, short and low-depth
- contigs are removed iteratively with cutoff threshold from low to high to reduce the errors
- in low-depth and high-depth regions. Paired-end reads are aligned to contigs and assembled
- locally to generate some missing k-mers in low-depth regions. With these technologies, IDBA-UD
- can iterate k value of de Bruijn graph to a very large value with less gaps and less branches
- to form long contigs in both low-depth and high-depth regions."""
+Sequencing data with Highly Uneven Sequencing Depth. It is an extension of IDBA algorithm.
+IDBA-UD also iterates from small k to a large k. In each iteration, short and low-depth
+contigs are removed iteratively with cutoff threshold from low to high to reduce the errors
+in low-depth and high-depth regions. Paired-end reads are aligned to contigs and assembled
+locally to generate some missing k-mers in low-depth regions. With these technologies, IDBA-UD
+can iterate k value of de Bruijn graph to a very large value with less gaps and less branches
+to form long contigs in both low-depth and high-depth regions."""
 
-toolchain = {'name': 'GCC', 'version': '9.3.0'}
+toolchain = {'name': 'GCCcore', 'version': '12.3.0'}
 
 source_urls = ['https://github.com/loneknightpy/idba/releases/download/%(version)s']
 sources = ['idba-%(version)s.tar.gz']
 checksums = ['030e24463c6d725c1c202baabf773b605b51e310844fd0f27f4688ecfbae26d0']
 
+builddependencies = [('binutils', '2.40')]
+
 prebuildopts = './configure && '
 
 # we delete every .o and Makefile file which is left in bin folder