diff --git a/conf/test.config b/conf/test.config
index 511601987f1eb45cc32ca9d5d8eccd71b8c0e41a..b4fd1845c65349aa6a58a82dc033b38d6bf76815 100644
--- a/conf/test.config
+++ b/conf/test.config
@@ -24,6 +24,9 @@ params {
 
   // Annotations
   fasta = 'https://github.com/nf-core/test-datasets/raw/hic/reference/W303_SGD_2015_JRIU00000000.fsa'
+  restriction_site = 'A^AGCTT'
+  ligation_site = 'AAGCTAGCTT'
+  min_mapq = 0
 
   // Options
   skip_cool = true
diff --git a/environment.yml b/environment.yml
index 63f395d78acdc28689b52be42da13f195d2c98d4..810f4af056251c9616a4619cfc596d3df6e94e8b 100644
--- a/environment.yml
+++ b/environment.yml
@@ -5,13 +5,15 @@ channels:
   - defaults
 dependencies:
   - python=2.7.13
+  - pip
   - conda-forge::scipy=1.0.1
   - conda-forge::numpy=1.9.3
   - conda-forge::r-markdown=0.8
   - bcbio::bx-python=0.7.3
   - bioconda::pysam=0.14.1
-  - bioconda::iced=0.5.0
   - cooler=0.8.3
   - bowtie2=2.3.5
   - samtools=1.9
   - multiqc=1.6
+  - pip:
+    - iced=0.4.2
\ No newline at end of file